Harahap, H.Y. , Anugerah, T. , Tambunan, F.R. and Adiprayoga, S.N. 2025. Coastal Waste Management Strategies to Preserve the Sea and Strengthen Fishing Family Economies in Tapanuli Tengah . International Journal of Marine Engineering Innovation and Research. 10, 4 (Dec. 2025), 1353–1360.