Roekruangrit, Naphatsaran, Nuanjan Jaiarree, Arunporn Itharat, Preecha Wanichsetakul, Sumalee Panthong, Sunita Makchuchit, and Saovapak Poomirat. 2019. “Comparative Study on Biological Activities of Steamed and Non - Steamed Ginger Extracts”. Science & Technology Asia 24 (4), 94-101. https://www.tci-thaijo.org/index.php/SciTechAsia/article/view/183141.