Abubakar, H., A. M. Hammari, A. Abubakar, and A. Maiwada. “Biodiesel Production from Cassia Tora Seed Oil Through Acid-Base Catalysed Method”. Journal of Biochemistry, Microbiology and Biotechnology, vol. 9, no. 1, July 2021, pp. 25-29, doi:10.54987/jobimb.v9i1.571.