Pinyaphong, Porntippa. “PRODUCTION OF POLYHYDROXYALKANOATE FROM USED COOKING OIL BY SOIL-ISOLATED BACTERIA”. PSRU Journal of Science and Technology 6, no. 2 (August 19, 2021): 69–85. Accessed April 19, 2024. https://ph01.tci-thaijo.org/index.php/Scipsru/article/view/244060.