Waluyo J, Purwanto A, Simamora RD. PERANCANGAN ULANG BLANKING DIES DENGAN DOUBLE PUNCH UNTUKPRODUK CHAIN PULLER SEPEDA MOTOR YAMAHA VEGA R. TECHNOSCIENTIA [Internet]. 2019 Sep. 23 [cited 2024 Aug. 30];:36-42. Available from: https://ejournal.akprind.ac.id/index.php/technoscientia/article/view/2042