Bunkerd, Ratthaphat, Sasidhorn Innok, Runglawan Somsunan, and Robert Molloy. “Preparation of Synthetic Hydrogel Sheets of Poly(sodium 2-acrylamido-2-methylpropane sulfonate) Containing Extracts from Krueo Ma Noy Leaves”. Science and Engineering Connect 43, no. 3 (September 30, 2020): 297–310. accessed July 20, 2025. https://ph04.tci-thaijo.org/index.php/SEC/article/view/10665.