1. T. B. Joewono, D. S. Santoso, and Y. O. Susilo, Journal of the Eastern Asia Society for Transportation Studies 11, 1346–1361 (2015).
2. R. Cervero, Informal Transport In the Developing World (UN-HABITAT, Kenya, 2000), pp. 117–144.
3. Trunk and feeder services regulation: Lessons from South American case studies
4. V. K. Phun, V. K. Phun and T. Yai, Asian Transport Studies 4, 57–77 (2016).
5. A. Tangphaisankun, F. Nakamura, and T. Okamura, "Influences of paratransit as a feeder of mass transit system in developing countries based on commuter satisfaction," In Proceedings of the Eastern Asia Society for Transportation Studies (The 8th International Conference of Eastern Asia Society for Transportation Studies, 2009), (Eastern Asia Society for Transportation Studies, Taipei, 2009).