Ahmad Daffa, Beni Satria, Solly Aryza. A Design Of Cellphone Charging Station System As Public Facility Using Off-Grid Solar Cell. Scientia [Internet]. 2024Aug.24 [cited 2025Jul.7];13(03):996-1003. Available from: http://seaninstitute.org/infor/index.php/pendidikan/article/view/2584