Ali, Nurhalim, 		Feranita, Feranita, 		Pratama, Yoga, 		Marpaung, Noveri, 		Rosma, Iswadi, AND 		Suwitno, Suwitno.
" Photovoltaic Solar Energy as a Power Source for Coal Waste Measurement Equipment" <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], Volume 67 Number 2 (30 July 2023)