Ratanasongtham, Pacharawan. “Preparation of Eco-Friendly Blended Bioplastic Film Between Blend of Polyvinyl Alcohol and Cellulose Extracted from Nelumbo Nucifera Gaertn Stalk”. Journal of Applied Research on Science and Technology (JARST) 21, no. 2 (September 23, 2022): 26–38. Accessed May 2, 2024. https://ph01.tci-thaijo.org/index.php/rmutt-journal/article/view/248344.