[1] D. Eqtesad, Thirty percent growth in Iran's e-commerce, in, 2019.
                                                                                                                [2] P. Lebeau, C. Macharis, J. Van Mierlo, Exploring the choice of battery electric vehicles in city logistics: A conjoint-based choice analysis, Transportation Research Part E: Logistics and Transportation Review, 91 (2016) 245-258.
                                                                                                                [3] H.L. Lee, Y. Chen, B. Gillai, S. Rammohan, Technological disruption and innovation in last-mile delivery, Value Chain Innovation Initiative,  (2016).
                                                                                                                [4] L. Ranieri, S. Digiesi, B. Silvestri, M. Roccotelli, A review of last mile logistics innovations in an externalities cost reduction vision, Sustainability, 10(3) (2018) 782.
                                                                                                                [5] R. Mangiaracina, A. Perego, A. Seghezzi, A. Tumino, Innovative solutions to increase last-mile delivery efficiency in B2C e-commerce: a literature review, International Journal of Physical Distribution & Logistics Management, 49(9) (2019) 901-920.
                                                                                                                [6] T. Hoffmann, G. Prause, On the regulatory framework for last-mile delivery robots, Machines, 6(3) (2018) 33.
                                                                                                                [7] Starship, The Self-Driving Delivery Robot, in, 2014.
                                                                                                                [8] O. Kunze, Replicators, ground drones and crowd logistics a vision of urban logistics in the year 2030, Transportation Research Procedia, 19 (2016) 286-299.
                                                                                                                [9] E.M. Rogers, Diffusion of Innovations, 3rd ed., Free Press, New York, 1983.
                                                                                                                [10] P. Deng, G. Amirjamshidi, M. Roorda, A vehicle routing problem with movement synchronization of drones, sidewalk robots, or foot-walkers, Transportation Research Procedia, 46 (2020) 29-36.
                                                                                                                [11] N. Boysen, S. Schwerdfeger, F. Weidinger, Scheduling last-mile deliveries with truck-based autonomous robots, European Journal of Operational Research, 271(3) (2018) 1085-1099.
                                                                                                                [12] D. Jennings, M. Figliozzi, Study of sidewalk autonomous delivery robots and their potential impacts on freight efficiency and travel, Transportation Research Record, 2673(6) (2019) 317-326.
                                                                                                                [13] M. Figliozzi, D. Jennings, Autonomous delivery robots and their potential impacts on urban freight energy consumption and emissions, Transportation Research Procedia, 46 (2020) 21-28.
                                                                                                                [14] M.A. Figliozzi, Carbon emissions reductions in last mile and grocery deliveries utilizing air and ground autonomous vehicles, Transportation Research Part D: Transport and Environment, 85 (2020) 102443.
                                                                                                                [15] M. Joerss, J. Schröder, F. Neuhaus, C. Klink, F. Mann, Parcel delivery: The future of last mile, McKinsey & Company,  (2016).
                                                                                                                [16] S. Kapser, M. Abdelrahman, Acceptance of autonomous delivery vehicles for last-mile delivery in Germany–Extending UTAUT2 with risk perceptions, Transportation Research Part C: Emerging Technologies, 111 (2020) 210-225.
                                                                                                                [17] X. Wang, K.F. Yuen, Y.D. Wong, C.C. Teo, An innovation diffusion perspective of e-consumers’ initial adoption of self-collection service via automated parcel station, The International Journal of Logistics Management, 29(1) (2018) 237-260.
                                                                                                                [18] Y. Chen, J. Yu, S. Yang, J. Wei, Consumer’s intention to use self-service parcel delivery service in online retailing: An empirical study, Internet Research, 28(2) (2018) 500-519.
                                                                                                                [19] W. Yoo, E. Yu, J. Jung, Drone delivery: Factors affecting the public’s attitude and intention to adopt, Telematics and Informatics, 35(6) (2018) 1687-1700.
                                                                                                                [20] J. Hwang, J.-S. Lee, H. Kim, Perceived innovativeness of drone food delivery services and its impacts on attitude and behavioral intentions: The moderating role of gender and age, International Journal of Hospitality Management, 81 (2019) 94-103.
                                                                                                                [21] A. Pani, S. Mishra, M. Golias, M. Figliozzi, Evaluating Public Acceptance of Autonomous Delivery Robots During COVID-19 Pandemic, Transportation Research Part D: Transport and Environment,  (2020) 102600.
                                                                                                                [22] K.F. Yuen, X. Wang, L.T.W. Ng, Y.D. Wong, An investigation of customers’ intention to use self-collection services for last-mile delivery, Transport Policy, 66 (2018) 1-8.
                                                                                                                [23] K.F. Yuen, Y.D. Wong, F. Ma, X. Wang, The determinants of public acceptance of autonomous vehicles: An innovation diffusion perspective, Journal of Cleaner Production,  (2020) 121904.
                                                                                                                [24] C. Gkartzonikas, K. Gkritza, What have we learned? A review of stated preference and choice studies on autonomous vehicles, Transportation Research Part C: Emerging Technologies, 98 (2019) 323-337.
                                                                                                                [25] A. Talebian, S. Mishra, Predicting the adoption of connected autonomous vehicles: A new approach based on the theory of diffusion of innovations, Transportation Research Part C: Emerging Technologies, 95 (2018) 363-380.
                                                                                                                [26] I.M. Al-Jabri, M.S. Sohail, Mobile banking adoption: Application of diffusion of innovation theory, Journal of Electronic Commerce Research, 13(4) (2012) 379-391.
                                                                                                                [27] Y.-H. Lee, Y.-C. Hsieh, C.-N. Hsu, Adding innovation diffusion theory to the technology acceptance model: Supporting employees' intentions to use e-learning systems, Journal of Educational Technology & Society, 14(4) (2011) 124-137.
                                                                                                                [28] E.M. Rogers, Diffusion of innovations, 4th ed., Free Press, New York, 1995.
                                                                                                                [29] M. Tan, T.S.H. Teo, Factors influencing the adoption of Internet banking, Journal of the Association for information Systems, 1(1) (2000) 5.
                                                                                                                [30] H. Strömberg, O. Rexfelt, I.C.M. Karlsson, J. Sochor, Trying on change–Trialability as a change moderator for sustainable travel behaviour, Travel Behaviour and Society, 4 (2016) 60-68.
                                                                                                                [31] R.W. Brislin, Back-translation for cross-cultural research, Journal of cross-cultural psychology, 1(3) (1970) 185-216.
                                                                                                                [32] G.C. Moore, I. Benbasat, Development of an instrument to measure the perceptions of adopting an information technology innovation, Information systems research, 2(3) (1991) 192-222.
                                                                                                                [33] M.L. Meuter, M.J. Bitner, A.L. Ostrom, S.W. Brown, Choosing among alternative service delivery modes: An investigation of customer trial of self-service technologies, Journal of marketing, 69(2) (2005) 61-83.
                                                                                                                [34] J.E. Collier, D.L. Sherrell, E. Babakus, A.B. Horky, Understanding the differences of public and private self-service technology, Journal of Services Marketing, 28(1) (2014) 60-70.
                                                                                                                [35] S. Zakeri, Digikala Interesting Statistics on Sales in 2019 in, 2019.
                                                                                                                [36] ChinaGoAbroad, E-commerce A key emerging theme in Iran, in, 2019.
                                                                                                                [37] J.F. Hair, W.C. Black, B.J. Babin, R.E. Anderson, Multivariate data analysis, Pearson Prentice Hall, New Jersey, 2010.
                                                                                                                [38] W.W. Chin, The partial least squares approach to structural equation modeling, Modern methods for business research, 295(2) (1998) 295-336.
                                                                                                                [39] J.F. Hair, M. Sarstedt, C.M. Ringle, J.A. Mena, An assessment of the use of partial least squares structural equation modeling in marketing research, Journal of the academy of marketing science, 40(3) (2012) 414-433.
                                                                                                                [40] J.F. Hair, C.M. Ringle, M. Sarstedt, PLS-SEM: Indeed a silver bullet, Journal of Marketing theory and Practice, 19(2) (2011) 139-152.
                                                                                                                [41] J.C. Anderson, D.W. Gerbing, Structural equation modeling in practice: A review and recommended two-step approach, Psychological bulletin, 103(3) (1988) 411.
                                                                                                                [42] C.M. Ringle, S. Wende, J.-M. Becker, SmartPLS 3, Boenningstedt: SmartPLS GmbH,  (2015).
                                                                                                                [43] K.S. Taber, The use of Cronbach’s alpha when developing and reporting research instruments in science education, Research in Science Education, 48(6) (2018) 1273-1296.
                                                                                                                [44] C. Fornell, D.F. Larcker, Evaluating structural equation models with unobservable variables and measurement error, Journal of marketing research, 18(1) (1981) 39-50.
                                                                                                                [45] N. Jimenez, S. San-Martin, N. Puente, The path to mobile shopping compatibility, The Journal of High Technology Management Research, 30(1) (2019) 15-26.
                                                                                                                [46] J. Henseler, C.M. Ringle, M. Sarstedt, A new criterion for assessing discriminant validity in variance-based structural equation modeling, Journal of the academy of marketing science, 43(1) (2015) 115-135.
                                                                                                                [47] P.M. Podsakoff, S.B. MacKenzie, J.-Y. Lee, N.P. Podsakoff, Common method biases in behavioral research: a critical review of the literature and recommended remedies, Journal of applied psychology, 88(5) (2003) 879.
                                                                                                                [48] H.H. Harman, Modern factor analysis, 3rd ed., University of Chicago press, Chicago, 1976.
                                                                                                                [49] N. Kock, Common method bias in PLS-SEM: A full collinearity assessment approach, International Journal of e-Collaboration (ijec), 11(4) (2015) 1-10.
                                                                                                                [50] J.S. Armstrong, T.S. Overton, Estimating nonresponse bias in mail surveys, Journal of marketing research, 14(3) (1977) 396-402.
                                                                                                                [51] J.K. Choi, Y.G. Ji, Investigating the importance of trust on adopting an autonomous vehicle, International Journal of Human-Computer Interaction, 31(10) (2015) 692-702.