Pinyaphong, Porntippa, and Pensiri Sriburi. 2022. “Optimum Condition for Polyhydroxyalkanoate Production from Crude Glycerol by Bacillus Sp. Isolated from Lipid-Containing Wastewater”. Trends in Sciences 19 (23). Nakhon Si Thammarat, Thailand:2588. https://doi.org/10.48048/tis.2022.2588.