Kusharyanto, Ageng Premadi, and Jhonfri Bonardo Damanik. 2021. “Pengaruh Pelayanan PT. Pertamina International Shipping Terhadap Kru Kapal Di Masa Pandemi Covid-19”. Journal Marine Inside 3 (2):1-10. https://doi.org/10.56943/ejmi.v3i2.29.