Silalahi, Aliong. “Situational Approach of Teaching Speaking Maritime English in Merchant Marine Polytechnic of North Sulawesi”. Airman: Jurnal Teknik dan Keselamatan Transportasi 5, no. 1 (June 30, 2022): 56–62. Accessed September 19, 2024. https://jurnal.poltekbangmakassar.ac.id/index.php/airman/article/view/219.