Nilpuang, Sunan. “Expectation and Quality Perception of the Passengers towards the Bus Service Provision at the Southern Bus Termina”. Journal of Management Science Nakhon Pathom Rajabhat University 1, no. 2 (September 24, 2018): 96–109. Accessed April 25, 2024. https://so03.tci-thaijo.org/index.php/JMSNPRU/article/view/147088.