Khanongnuch, Thanida, and Alongkorn Muangwai. “EFFICIENCY ENHANCEMENT AND REDUCING LOGISTICS COST WITH MATHEMATICAL MODEL OF AUTO PART INDUSTRY A CASE STUDY: P.E TECHNIC CO., LTD. IN PHITSANULOK PROVINCE”. Life Sciences and Environment Journal 22, no. 2 (October 4, 2021): 205–215. Accessed May 3, 2024. https://ph01.tci-thaijo.org/index.php/psru/article/view/244407.