V. Jarl, Congestion pricing in urban areas: theory and case studies, (2009).
 M.S. Hossan, H. Asgari, X. Jin, Investigating preference heterogeneity in Value of Time (VOT) and Value of Reliability (VOR) estimation for managed lanes, Transportation Research Part A: Policy and Practice, 94 (2016) 638-649.
 T.C. Lam, K.A. Small, The value of time and reliability: measurement from a value pricing experiment, Transportation Research Part E: Logistics and Transportation Review, 37(2) (2001) 231-251.
 I.C. Athira, C.P. Muneera, K. Krishnamurthy, M.V.L.R. Anjaneyulu, Estimation of Value of Travel Time for Work Trips, Transportation Research Procedia, 17 (2016) 116-123.
 M. Jiang, T. Morikawa, Theoretical analysis on the variation of value of travel time savings, Transportation Research Part A: Policy and Practice, 38 (2004) 551-571.
 T.C. Thomas, G.I. Thompson, The value of time for commuting motorists as a function of their income level and amount of time saved, Highway Research Record, (314) (1970).
 M. Wardman, A review of British evidence on time and service quality valuations, Transportation Research Part E: Logistics and Transportation Review, 37(2) (2001) 107-128.
 J. Calfee, C. Winston, The value of automobile travel time: implications for congestion policy, Journal of public economics, 69(1) (1998) 83-102.
 S. Hess, M. Bierlaire, J.W. Polak, Estimation of value of travel-time savings using mixed logit models, Transportation Research Part A: Policy and Practice, 39(2) (2005) 221-236.
 H. Zhong, W. Li, M.W. Burris, A. Talebpour, K.C. Sinha, Will autonomous vehicles change auto commuters’ value of travel time?, Transportation Research Part D: Transport and Environment, 83 (2020) 102303.
 G.H.d.A. Correia, E. Looff, S. van Cranenburgh, M. Snelder, B. van Arem, On the impact of vehicle automation on the value of travel time while performing work and leisure activities in a car: Theoretical insights and results from a stated preference survey, Transportation Research Part A: Policy and Practice, 119 (2019) 359-382.
 V. Kolarova, F. Steck, Chapter 28 - Estimating impact of autonomous driving on value of travel time savings for long-distance trips using revealed and stated preference methods, in: K.G. Goulias, A.W. Davis (Eds.) Mapping the Travel Behavior Genome, Elsevier, 2020, pp. 561-575.
 V. Varghese, A. Jana, Impact of ICT on multitasking during travel and the value of travel time savings: Empirical evidences from Mumbai, India, Travel Behaviour and Society, 12 (2018) 11-22.
 A. Younis, REVIEW OF VALUE OF TRAVEL TIME SAVINGS & ITS VARIATION WITH, 2013.
 I. Dubernet, T. Dubernet, K.W. Axhausen, Comparing values of travel time obtained from workplace and short-term decisions, Travel Behaviour and Society, 20 (2020) 83-90.
 K.E. Train, Discrete choice methods with simulation, Cambridge university press, 2009.
 K.A. Small, C. Winston, J. Yan, Uncovering the Distribution of Motorists' Preferences for Travel Time and Reliability, Econometrica, 73(4) (2005) 1367-1382.
 I. Farzin, A.R. Mamdoohi, HETEROGENEITY AMONG INDIVIDUALS AND ALTERNATIVE IN ESTINATION CHOICE- CASE OF SHOPPING TRIPS IN QAZVIN, Sharif Journal of Civil Engineering, 36.2(3.2) (2020) 77-86.(in persian)
 M. Mehdizadeh, A.R. Mamdoohi, Active school travel: homogeneity or heterogeneity? That is the question, Transportation Planning and Technology, 43(5) (2020) 443-462.
 D. Hensher, J. Rose, W. Greene, Applied Choice Analysis, 2005.
 D. McFadden, K. Train, Mixed MNL models for discrete response, Journal of Applied Econometrics, 15(5) (2000) 447-470.