Comparative Investigation on Drying Efficiency of the Solar Dryer Using Iron as the Absorber Plate Against the Stainless Steel Absorber Plate for Drying Copra. Journal of Pharmaceutical Negative Results, [S. l.], p. 838–844, 2022. DOI: 10.47750/pnr.2022.13.S04.098. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/983.. Acesso em: 3 jun. 2026.