GELFANTRI MANGALIK; HANNY H. TUMBELAKA; MURTIYANTO SANTOSO. Perancangan dan Pembuatan Modul Pembelajaran Sistem Photovoltaic Mandiri 90 Watt di Universitas Kristen Petra. SinarFe7, [S. l.], v. 1, n. 1, p. 297–302, 2018. Disponível em: https://journal.fortei7.org/index.php/sinarFe7/article/view/193. Acesso em: 18 apr. 2026.