Sangsawang , Thobordin, Nattida Chalorsap, Sunisa Chomchit, and Teerachai Surachotivet. 2022. “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 (2):132-43. https://so04.tci-thaijo.org/index.php/stou-sms-pr/article/view/249256.