Comparative Investigation on Drying Efficiency of the Solar Dryer Using Aluminium as the Absorber Plate Against The Stainless Steel Absorber Plate for Drying Copra. Journal of Pharmaceutical Negative Results [Internet]. 2022 Sep. 27 [cited 2026 Jun. 13];:706-12. Available from: https://mail.pnrjournal.com/index.php/home/article/view/964