Nereus Tugur Redationo, Bernardus Crisanto Putra Mbulu, and Febri Valen Herwinsha. “DIFFERENCES IN TEMPERATURE OF SOLAR COLLECTORS USING PAINT WITH A MIXTURE OF COCONUT SHELL CARBON AND PALM SHELL”. Mechanical, Energy and Material (METAL) 1, no. 1 (June 30, 2023): 16–24. Accessed April 27, 2025. https://ejournal.widyakarya.ac.id/index.php/metal/article/view/40.