Raihan, Muhammad, and Edi Tri Astuti. “THERMAL EFFICIENCY ANALYSIS OF COFFEE BEAN ROASTER BASED ON PARABOLIC DISH COLLECTOR (PDC) WITH THE ADDITION OF FRESNEL GLASS AS A SOLAR RADIATION AMPLIFIER”. TOPLAMA 3, no. 2 (March 7, 2026): 110–125. Accessed May 15, 2026. https://altinriset.com/journal/index.php/toplama/article/view/500.