Nwigbo, Oluebube E., Chukwuemeka C. Nwoko, Somto F. Emerie, and Ifeanyichukwu U. Onyenanu. “Optimizing Agricultural Drying Technologies: A Systematic Review of Charcoal, Gas, and Hybrid Kilns for Sustainable Food Preservation”. Journal of Sustainable Engineering & Renewable Energy 1, no. 1 (June 30, 2025): 37–51. Accessed April 28, 2026. https://journals.e-palli.com/home/index.php/jsere/article/view/5038.