Lamido Jumare, Y.; Mohammed, M.; M. Orah, A.; Umaru, S.; U. Kaisan, M. COMPARATIVE ANALYSIS ON THE EFFECTS OF CALCINED EGGSHELL AND SODIUM HYDROXIDE CATALYSTS ON NEEM SEED OIL BIODIESEL YIELD AND COMPRESSION IGNITION ENGINE PERFORMANCE AND EMISSIONS. FJS 2025, 9 (12), 287-303. https://doi.org/10.33003/fjs-2025-0912-4161.