OPTIMALIZATION EFFICIENCY OF PAS 99 INTEGRATED MANAGEMENT SYSTEM IMPLEMENTATION ON A STATE-OWNED ENTERPRISE IN THE TELECOMMUNICATIONS SECTOR. ZONAsi: Jurnal Sistem Informasi, [S. l.], v. 7, n. 3, p. 993–1007, 2025. DOI: 10.31849/wxvh6r31. Disponível em: https://journal.unilak.ac.id/index.php/zn/article/view/28632. Acesso em: 21 mar. 2026.