Fredrick , F. Y., A. M. Abdullahi, M. N. Ibrahim, M. B. Chiroma, and A. A. Girbo. “EXTRACTION, CHARACTERIZATION AND EPOXIDATION OF CASTOR SEED OIL”. FUDMA JOURNAL OF SCIENCES, Vol. 7, no. 2, Nov. 2023, pp. 284 -88, doi:10.33003/fjs-2023-0702-1987.