Lekatompessy, Sonja. “Tinjauan Pengaruh Pendinginan Spesimen Uji Las Terhadap Kualitas Hasil Pengelasan”. ARIKA 7, no. 2 (September 7, 2013): 133-141. Accessed October 26, 2021. https://ojs3.unpatti.ac.id/index.php/arika/article/view/386.