Klara, Syerly, Muhammad Iqbal Nikmatullah, and Muhammad Faizal. 2022. “Keel Cooler Effectiveness in Ship Main Engine Cooling System”. Zona Laut Jurnal Inovasi Sains Dan Teknologi Kelautan 3 (3):10-17. https://doi.org/10.62012/zl.v3i3.24307.