N. K. Sitompul, E. S. Wiyono, and I. Solihin, “Vulnerability Level of Small-scale Fishery Enterprises in Central Tapanuli, North Sumatra”, J. Ilmu. Pertan. Indones., vol. 30, no. 1, pp. 64–73, Dec. 2024, doi: 10.18343/jipi.30.1.64.