Utomo, H.C., Santoso M.T, I.B. and Rahman Ph.D, H. 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 (Dec. 2023), 698–707.