Indriyati, R., & Dwiputra Novarizal, B. (2019). Optimizing Work Online Services Based Inaportnet To Increase Service On Shipping Arrival at PT Maskapai Pelayaran Pulau Laut Panjang Branch . Majalah Ilmiah Gema Maritim, 21(1), 30 - 39. https://doi.org/10.37612/gema-maritim.v21i1.10