. F. Y. Fredrick, . A. M. Abdullahi, . M. N. Ibrahim, . M. B. . Chiroma, and . A. A. Girbo, “EXTRACTION, CHARACTERIZATION AND EPOXIDATION OF CASTOR SEED OIL”, FJS, vol. 7, no. 2, pp. 284–288, Nov. 2023, doi: 10.33003/fjs-2023-0702-1987.