P. K. Moorthi, P. Shrivastava, and S. Krishnan, “Transesterification of Moringa Oleifera Seed Oil by Sodium Silicate Catalyst Using Different Co-Solvents”, IJET, vol. 7, no. 3.36, pp. 1–5, May 2018, doi: 10.14419/ijet.v7i3.36.29068.