Anugerah, Tirta, Juliana Pebrina Siburian, Tika Nisari, Husnul Yaqin, and Shofian Nanda Adiprayoga. “tudy on the ivelihood ources and elfare evels of mall-cale ishing ouseholds in apanuli engah egency, umatera tara”. International Journal of Marine Engineering Innovation and Research 9, no. 4 (July 10, 2025): 659–666. ccessed December 6, 2025. https://journal.its.ac.id/index.php/ijmeir/article/view/4825.