Bassam Lawan Abdulrahman, Basiru Labaran Jazuli, and Adnan Aminu Adnan, “Soil Fertility Improvement, Heavy Metal Safety and Carbon Benefits of Green Charcoal Briquettes in Maize and Cucumber Production”, AJASFR, vol. 21, no. 1, pp. 208–219, Feb. 2026, doi: 10.62154/ajasfr.2025.021.01023.