A. M. Ali, H. Shuaibu, and H. Ibrahim, “STATISTICAL EVALUATION AND OPTIMISATION OF BIODIESEL PRODUCTION FROM Gmelina arborea LEAF BIOMASS USING CALCIUM HYDROXIDE CATALYSIS UNDER MILD CONDITIONS”, FJS, vol. 10, no. 3, pp. 94–101, Feb. 2026, doi: 10.33003/fjs-2026-1003-4746.