Genroj, T., Boonrueng, K., & Puntusavase, K. (2022). Locating Distribution Centers and Planning Effective Routes for Vaccine Distribution for Low Transportation Costs. Thai Journal of Operations Research : TJOR, 10(2), 44–53. retrieved from https://ph02.tci-thaijo.org/index.php/TJOR/article/view/246578