Suthummanin, S., ฺBoonyarit S., W. . Kongkaew, N. . Sirivongpaisal, S. Wittayasilp, P. . Penjumrus, A. . Teeraparbseree, and S. . Pungchompoo. “An Analysis of Container Yard Management of Rail Freight System: A Case Study of Rubber Product in Southern”. Thai Industrial Engineering Network Journal, vol. 7, no. 2, Dec. 2021, pp. 21-28, https://ph02.tci-thaijo.org/index.php/ienj/article/view/244192.