Rahmat, S., Putri, S. and Mutmainnah, N. 2025. The Role of English in Merchant Marine: The Main Course or Supplemantary Course?. Journal of English Language Teaching, Literature and Culture . 4, 1 (Mar. 2025), 18-30. DOI:https://doi.org/10.53682/jeltec.v4i1.11899.