Sangsawang , Thobordin, Nattida Chalorsap, Sunisa Chomchit, and Teerachai Surachotivet. “The Study of the Order Quantity Cost Saving of a Local Retail Store by EOQ Method: A Case Study of ‘Lan Kathum Krub’”. Modern Management Journal 19, no. 2 (January 2, 2022): 132–143. Accessed May 5, 2024. https://so04.tci-thaijo.org/index.php/stou-sms-pr/article/view/249256.