Kaewploy, S., S. Sindhuchao, and S. Kaewploy. “The Selection of the Network Marketing Locations and Vehicle Routing for Rubber in the Lower Southern Part of Thailand: doi: 10.14456/mijet.2021.21”. Engineering Access, vol. 7, no. 2, May 2021, pp. 137-44, https://ph02.tci-thaijo.org/index.php/mijet/article/view/243871.