Untong, A. and Kaosa-ard, M. (2016) “Spas Performances Benchmarking and Operation Effifif iciency”, Asian Journal of Applied Economics, 21(1), pp. 1–19. Available at: https://so01.tci-thaijo.org/index.php/AEJ/article/view/52142 (Accessed: 29 March 2024).