Adhvaryu, Bhargav; Chopde, Abhay; Dashora, Lalit (1 June 2019). "Mapping public transport accessibility levels (PTAL) in India and its applications: A case study of Surat". Case Studies on Transport Policy. 7 (2): 293–300. doi:10.1016/j.cstp.2019.03.004. ISSN2213-624X. S2CID169155963.
Adhvaryu, Bhargav; Chopde, Abhay; Dashora, Lalit (1 June 2019). "Mapping public transport accessibility levels (PTAL) in India and its applications: A case study of Surat". Case Studies on Transport Policy. 7 (2): 293–300. doi:10.1016/j.cstp.2019.03.004. ISSN2213-624X. S2CID169155963.
Adhvaryu, Bhargav; Chopde, Abhay; Dashora, Lalit (1 June 2019). "Mapping public transport accessibility levels (PTAL) in India and its applications: A case study of Surat". Case Studies on Transport Policy. 7 (2): 293–300. doi:10.1016/j.cstp.2019.03.004. ISSN2213-624X. S2CID169155963.