Putra, Yudi Utomo, Rustam Asnawi, and Arum Kusuma Wardhany. “Skillion Roof Design to Get Optimum Solar Radiation in Yogyakarta”. Jurnal Edukasi Elektro 7, no. 2 (November 30, 2023): 195–203. Accessed February 12, 2026. https://jurnal.uny.ac.id/index.php/jee/article/view/65953.