Ahmad Daffa, Beni Satria, and Solly Aryza. “A Design Of Cellphone Charging Station System As Public Facility Using Off-Grid Solar Cell”. Jurnal Scientia 13, no. 03 (August 24, 2024): 996-1003. Accessed August 27, 2025. http://seaninstitute.org/infor/index.php/pendidikan/article/view/2584.