Sunarto, Sunarto, and Teguh Nugroho. “ANALISA KEGAGALAN PATAH PADA LEAN AMINE COOLER FAN 135 H 04 PT. HESS INDONESIA PANGKAH LTD”. Wahana Teknik, vol. 2, no. 1, June 2013, https://journal.unigres.ac.id/index.php/WahanaTeknik/article/view/513.