Nguyen, Xuan Loc, Thi Ngoc Ly Le, Huu Chiem Nguyen, and Thi My Linh Do. 2016. “Biological Characteristics of Poon Trees Calophyllum Inophyllum L. And Its Extracted Oil Used As Starting Material for Biodiesel Production”. CTU Journal of Innovation and Sustainable Development, no. Renewable Energy (July):7-10. https://doi.org/10.22144/ctu.jsi.2016.002.