Anugerah, Tirta, and Shofian Nanda Adiprayoga. “nalysis on the ivelihood ulnerability of ift et isher ouseholds, apanuli engah, umatera tara”. International Journal of Marine Engineering Innovation and Research 8, no. 4 (July 10, 2025): 622–628. ccessed December 6, 2025. https://journal.its.ac.id/index.php/ijmeir/article/view/5082.