Febrian, Shahrin, and Aldyn Clinton Partahi Oloan. “X SHIP COOLING SYSTEM FAILURE ANALYSIS”. Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada, vol. 11, no. 2, Sept. 2021, pp. 89-95, doi:10.70746/jstunsada.v11i2.165.