Komarudin, Mellianna Fiannita C. Purba, and Irvanu Rahman. “MULTI-PERIOD MARITIME LOGISTICS NETWORK OPTIMIZATION USING MIXED INTEGER PROGRAMMING”. GEOMATE Journal, vol. 13, no. 36, Aug. 2017, pp. 94-99, https://geomatejournal.com/geomate/article/view/3038.