Utomo, Harun Cahyo, Ir. Budi Santoso M.T, and Haolia Rahman Ph.D. “PERENCANAAN INSTALASI PLTS ROOFTOP DI POS SECURITY PT QUALIS INDONESIA : PERENCANAAN INSTALASI PLTS ROOFTOP DI POS SECURITY PT QUALIS INDONESIA”. Prosiding Seminar Nasional Teknik Mesin 13, no. 1 (December 1, 2023): 698–707. Accessed July 1, 2024. https://prosiding.pnj.ac.id/sntm/article/view/1628.