Nguyen, P., C. Vi Thun, and Q. Pham. “Studies on Biodiesel Produced from Jatropha Oil in Cambodia by a Non-Catalytic Using C2H5OH”. Science and Technology Development Journal, Vol. 17, no. 2, June 2014, pp. 102-8, doi:https://doi.org/10.32508/stdj.v17i2.1305.