KUSUMAWARDANA, Nofian Sudi; NUSRANINGRUM, Dewi. STUDY OF MAINTENANCE OF UPS EQUIPMENT (UNINTERUPTABLE POWER SUPPLY) WITH FAULT TREE ANALYSIS (FTA) METHOD TO PRODUCE TIMELY POWER SUPPLY AVAILABILITY AT SOEKARNO-HATTA AIRPORT. International Humanities and Applied Science Journal, Jakarta, Indonesia, v. 4, n. 1, p. 23–32, 2021. DOI: 10.22441/ihasj.2021.v4i1.03. Disponível em: https://publikasi.mercubuana.ac.id/index.php/ihasj/article/view/11201. Acesso em: 4 jun. 2026.