Utomo, Harun Cahyo, Ir. Budi Santoso M.T, and Haolia Rahman Ph.D. 2023. “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 (1):698-707. https://prosiding.pnj.ac.id/sntm/article/view/1628.