Oria, Charity Ligreso, and Eleonor Ventura Palconit. “A Review on Possible Combination of Solar Dryer Materials for Crops in the Philippines”. Engineering And Technology Journal 7, no. 7 (July 6, 2022): 1328–1341. Accessed July 3, 2024. https://everant.org/index.php/etj/article/view/652.