Maulana RC, Huda S, Ratnaningsih D, Suwondo I. Optimization of Hatch Cover Maintenance on MV. Orient King. jestm [Internet]. 2026 Jul. 15 [cited 2026 Jul. 22];6(2):464-8. Available from: https://jes-tm.org/index.php/jestm/article/view/459