Chaimongkol, Laksana. “Use of Selected Natural Calcium Sources for Calcium Enrichment of Crisp Rice”. KKU Science Journal 40, no. 4 (December 30, 2012): 1214–1224. accessed August 26, 2026. https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/253366.