D. Pulido, G. Darido, R. Munoz-Raskin, J. Moody. The urban rail development handbook. World Bank Group Press, (2018).
 W. L. Garrison, D. F. Marble. Factor-analytic study of the connectivity of a transportation network. Papers in Regional Science, 12(1) (1964) 231-238.
 W. L. Garrison, D. F. Marble. A prolegomenon to the forecasting of transportation development. Evanston, IL: Transportation Center Northwestern University (1965)
 J. Lin, Y. Ban. Complex network topology of transportation systems. Transport reviews, 33(6) (2013) 658-685.
 S. Derrible, C. Kennedy. Applications of graph theory and network science to transit network design. Transport reviews, 31(4) (2011) 495-519.
 K. J. Kansky. Structure of transportation networks: relationships between network geometry and regional characteristics. Chicago, IL: University of Chicago Press (1963).
 G. Laporte, J. A. Mesa, F. A. Ortega. Assessing the efficiency of rapid transit configurations. Top, 5(1) (1997) 95-104.
 G. Laporte, J. A. Mesa, F. A. Ortega, F. Perea. Planning rapid transit networks. Socio-Economic Planning Sciences, 45(3) (2011) 95-104.
 J. Zhang, M. Zhao, H. Liu, X. Xu. Networked characteristics of the urban rail transit networks. Physica A: Statistical Mechanics and its Applications, 392(6) (2013) 15381546.
 S. Derrible, C. Kennedy. Network analysis of world subway systems using updated graph theory. Transportation Research Record, 2112(1) (2009) 17-25.
 N. Sharav, S. Bekhor, Y. Shiftan. Network Analysis of the Tel Aviv Mass Transit Plan. Urban Rail Transit, 4(1) (2018) 23-34.
 D. Levinson. Network structure and city size. PloS one, 7(1) (2012) e29721.
 X. Wang, Y. Koç, S. Derrible, S. N. Ahmad, W. J. Pino, R. E. Kooij. Multi-criteria robustness analysis of metro networks. Physica A: Statistical Mechanics and its Applications, 474, (2017) 19-31.
 J. Feng, X. Li, B. Mao, Q. Xu, Y. Bai. Weighted complex network analysis of the Beijing subway system: Train and passenger flows. Physica A: Statistical Mechanics and its Applications, 474, (2017) 213-223.
 A. R. Mamdoohi, H. Zarei. An Analysis of Public Transit Connectivity Index in Tehran. The Case Study: Tehran Multi-Modal Transit Network. Tema. Journal of Land Use, Mobility and Environment, Special Issue (2016) 59-76.
 S. Derrible, C. Kennedy. Characterizing metro networks: state, form, and structure. Transportation, 37(2), (2010) 275-297.
 S. Derrible, C. Kennedy. Evaluating, Comparing, and Improving Metro Networks: Application to Plans for Toronto, Canada. Transportation Research Record, 2146(1), (2010) 43-51.
 S. Derrible, C. Kennedy. The complexity and robustness of metro networks. Physica A: Statistical Mechanics and its Applications, 389(17), (2010) 3678-3691.
 M. R. Haghi, M. Pouralikhani, S. Sedaghatnia. Assessment of Citizens’ Satisfaction about Subway Station Design and Location, Case Study: Subway Station of Elmo Sanat in Tehran. Transportation Engineering Journal, Online Published, (2018) (In Persian).
 F. A. Nosratian, Evaluation of Stability Degree of Tehran Metro Stations Locations, MSc Thesis, Khaje Nasirodin Toosi University, (2014).
 M. Mousivand, H, Haghshenas. Structure and Evaluation Indices of World Metro Network Case Study of Isfahan Metro Network, 3th International Conference on Recent Advances in Railway Engineering, Tehran, Iran, (2013) .7-1