Hasan Sitorus, Kimberly Febrina Kodrat. MACKEREL TUNA (EUTHYNNUS AFFINIS) SUPPLY CHAIN AT THE BELAWAN OCEAN FISHING PORT, NORTH SUMATERA PROVINCE. IJEBAS [Internet]. 2024 Jan. 28 [cited 2025 Nov. 29];4(1):1-14. Available from: https://radjapublika.com/index.php/IJEBAS/article/view/1374