Poompongthai, Nisachon. “Sales Forecasting and Inventory Management: A Case Study of Chicken Manure Business”. NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY 18, no. 2 (December 30, 2022): 83–98. Accessed May 1, 2024. https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/247544.