“Sustainable Marine Protected Area Management Policy Through Blue Halo S Approach in Northern Nias” (2026) Integrativa: Jurnal Manajemen, Sains, dan Teknologi Terapan, 1(1). Available at: https://jurnal.fondrakonusantarapublisher.com/integrativa/article/view/3 (Accessed: 8 October 2026).