K. Samadkul, S. Thipnate, A. Nimala, P. Promsapeth, V. Boonchom, and W. Phuangpornpitak, “Transportation Routing Comparison between Saving Algorithm and Nearest Neighbor Method: A Case Study of Phu Phet Drinking Water Plant, Phu Kradueng District, Loei”, JEIT, vol. 3, no. 1, pp. 30–41, Feb. 2025.