Nababan W, Sihombing S, Peranginangin S, Napitupulu R. ANALISIS TEKNO EKONOMI ATAP SURYA STUDI KASUS DI KOTA MEDAN, INDONESIA. SPROCKET JOURNAL OF MECHANICAL ENGINEERING [Internet]. 30Aug.2023 [cited 3Jul.2024];5(1):43 -49. Available from: https://jurnal.uhn.ac.id/index.php/mechanical/article/view/1197