Putra, Wawan. “A Zenk Galvalum Analysis Seng Galvalum Tensile Strength Against the Load That Is Given”. Machine : Jurnal Teknik Mesin 5, no. 1 (April 1, 2019): 9-14. Accessed October 21, 2021. https://journal.ubb.ac.id/index.php/machine/article/view/767.