Lubis SN, Jufri M, Ulfa N. Analysis of Income of Motorboat Workers with a 5 GT Capacity on the East and West Coast, Sumatra Utara. Indonesian J. Agric. Res [Internet]. 2021Apr.9 [cited 2024Nov.24];4(1):31 - 38. Available from: https://talenta.usu.ac.id/InJAR/article/view/4867