Mohammed, Jibrin, et al. “VALORIZATION OF AVOCADO SEED RESIDUE AS BIOMASS FOR BIOSYNGAS PRODUCTION VIA OPTIMIZED STEAM GASIFICATION PROCESS USING BOX-BEHNKEN DESIGN (BBD) APPROACH”. FUDMA JOURNAL OF SCIENCES, vol. 10, no. 4, Feb. 2026, pp. 343-55, https://doi.org/10.33003/fjs-2026-1004-4626.