Naiyawan , Ramawadee, and Akkaranan Pongsathornwiwat. “Enhancing Cold Chain Logistics: Key Factors Influencing Temperature Retention in Portable Cold Storage Boxes”. Thai Industrial Engineering Network Journal 11, no. 2 (December 30, 2025): 33–44. accessed September 11, 2026. https://ph02.tci-thaijo.org/index.php/ienj/article/view/258980.