Nwigbo OE, Nwoko CC, Emerie SF, Onyenanu IU. Optimizing Agricultural Drying Technologies: A Systematic Review of Charcoal, Gas, and Hybrid Kilns for Sustainable Food Preservation. J. Sustain. Eng. Renew. Energy. [Internet]. 2025 Jun. 30 [cited 2026 Apr. 28];1(1):37-51. Available from: https://journals.e-palli.com/home/index.php/jsere/article/view/5038