Wattanapanyawech, Jirawat, Chakirt Sattayarom, Thaniya Klinsophon, and Sudarat Borisut. 2020. “Development of Reusable Hot and Cold Pack Made from Clay”. Srinagarind Medical Journal 35 (6):694-99. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/247321.