Suttishe, P., N. Sirivongpaisal, and W. Kongkaew. “The Simulation of Commercial Vehicle Border Crossing of Thailand – Malaysia : Case Study of Sadao Border, Songkhla”. RMUTP Research Journal Sciences and Technology, vol. 13, no. 2, Dec. 2019, pp. 1-12, doi:10.14456/jrmutp.2019.17.