Uddin, M. R., K. Ferdous, S. K. Mondal, M. R. Khan, and M. Islam. “Preparation of Biodiesel From Karanja (Pongamia Pinnata) Oil”. Journal of Chemical Engineering, vol. 29, no. 1, Aug. 2017, pp. 24-28, doi:10.3329/jce.v29i1.33815.