“Optimizing Agricultural Drying Technologies: A Systematic Review of Charcoal, Gas, and Hybrid Kilns for Sustainable Food Preservation” (2025) Journal of Sustainable Engineering & Renewable Energy, 1(1), pp. 37–51. Available at: https://www.e-pallipublishers.com/index.php/jsere/article/view/5038 (Accessed: 13 June 2026).