G. D. L. Sihombing, E. Handoco, and R. R. D. S. Manik, “Relationship length weight and condition factors of mackerel (Rastrelliger kanagurta) landed in Tanjung Tiram Port Batu Bara District North Sumatra Province”, JIP, vol. 12, no. 1, pp. 358–366, May 2024.