Muhammad Farid, G. Sitepu, M. . Idrus, S. . Asri, A. S. C. . Mappangara, and C. Paotonan. “The Optimal Capacity of the Handling Facilities in Bitung Container Terminal”. International Journal of Metacentre, vol. 2, no. 1, June 2022, pp. 1-11, http://103.195.142.91/index.php/ijm/article/view/12.