Chaitrali Ketkale, Medhaa Shankar, Varsha Suresh, and Kavitha S H. “A Review on Glycerol Purification Consequent to Its Formation As a Byproduct in Biodiesel Manufacture by Trans-Esterification Process of Fats”. International Journal of Fundamental and Applied Sciences (IJFAS), vol. 6, no. 1, Mar. 2017, pp. 8-11, doi:10.59415/ijfas.v6i1.103.