Zhao, S., and S. Phajon. “The Guideline for Improving Efficiency of Rail Freight Transport Between China – Laos - Thailand Under Belt and Road Initiative: A Case Study of Thailand and Laos Rail Freight Transport”. International Journal of Development Administration Research, vol. 7, no. 1, June 2024, pp. 108-19, https://so02.tci-thaijo.org/index.php/ijdar/article/view/267283.