Batam W, D., and R. Suratman. “PENELITIAN BATANG KAWAT JENIS SWRY 11 UNTUK KAWAT INTI ELEKTRODA LAS LISTRIK RD - 260”. Mesin, vol. 4, no. 3&4, May 2017, pp. 76-85, https://journals.itb.ac.id/index.php/jtms/article/view/5040.