Chaowarat, P., Piriyakannon, M., Sawangchan, S. and Natrephra, W. (2018) “Soft Measures for Cycling Promotion in the Northeast of Thailand”, Chophayom Journal, 29(3), pp. 69–84. available at: https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/163909 (accessed: 12 September 2026).