Irawan, Dani, and Rahayu Bisono. 2018. “RANCANG BANGUN PROTOTYPE MESIN EKSTRUSI POLIMER SINGLE SCREW”. Prosiding Seminar Nasional Multidisiplin 1 (October), 13-19. http://ejournal.unwaha.ac.id/index.php/snami/article/view/259.