Kogama, Yogi, 		Putra, Ghandy, 		Sumiati, Ruzita, AND 		Yanziwar, Yanziwar.
" ANALISA MASALAH COOLING SYSTEM ENGINE 3306 UNIT D6D DOZER CATERPILLAR" <em>Jurnal Teknik Mesin</em> [Online], Volume 3 Number 1 (7 November 2020)