Bungin SS, Nursyam N, Ratno R, Yulianingsih L, Sa’pang A. Linguistic and Non-Linguistic Barriers to Maritime English-Speaking Proficiency: A Qualitative Investigation at Barombong Merchant Marine Polytechnic . IJRER [Internet]. 2026 Jul. 1 [cited 2026 Jul. 3];5(4):2151-63. Available from: https://etdci.org/journal/ijrer/article/view/5158