Muhammad Galadima, Ahmad, Musa Usman Dabai, Bilyaminu Rafi Ahmad, and Jamilu Ibrahim Umar. 2023. “UTILIZATION OF WASTE FOIL AND CARBIDE SLAG AS HETEROGENEOUS CATALYST FOR IN-SITU TRANSESTERIFICATION OF Ricinus Communis (CASTOR SEEDS)”. FUDMA JOURNAL OF SCIENCES 6 (6), 303 -10. https://doi.org/10.33003/fjs-2022-0606-1184.