Sudiono Sudiono, Simatupang, D., Rosmayana Rosmayana and Ahmed Syah Rizan 2022. The Effect of Promotion of Vessel Crew Vacancies on the Process of Changing Ship Crews at PT Jasindo Duta Segara. Dinasti International Journal of Education Management And Social Science. 4, 2 (Dec. 2022), 194–199. DOI:https://doi.org/10.31933/dijemss.v4i2.1557.