RAIHAN, M.; ASTUTI, E. T. 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, [S. l.], v. 3, n. 2, p. 110–125, 2026. DOI: 10.61397/tla.v3i2.500. Disponível em: https://altinriset.com/journal/index.php/toplama/article/view/500. Acesso em: 15 may. 2026.