A. S. Baki, M. U. Muhammad, U. Z. Faruq, A. S. Nasiru, Idris, B., and A. Y. Fardami, “Comparative Analysis of Biodiesel Production by Transesterification and Interesterification of Rothmannia longiflora Seed oil using a Heterogeneous Catalyst”, USci, vol. 2, no. 2, pp. 53–62, Jun. 2023, doi: 10.56919/usci.2322.008.