SURYADI, Aris. PERANCANGAN INSTALASI PENANGKAL PETIR EKSTERNAL POLITEKNIK ENJINERING INDORAMA. SINERGI, Jakarta, Indonesia, v. 21, n. 3, p. 219–230, 2017. DOI: 10.22441/sinergi.2017.3.009. Disponível em: https://publikasi.mercubuana.ac.id/index.php/sinergi/article/view/1335. Acesso em: 3 jun. 2026.