Umam, M. F. (2026) “The Effect of Roof Slope and Orientation on the Performance of On-Grid PV Plants in Central Java, Indonesia”, Journal of Renewable Energy and Mechanics, 9(01), pp. 1–14. Available at: https://journal.uir.ac.id/index.php/REM/article/view/25058 (Accessed: 10 June 2026).