Safril, Muhammad Iqbal Harapan Muslim, Mohamad Wirandi, and Dibyo setiawan. “Desain Dan Simulasi Uji Tekan Pada Jigs Pin Piston Diameter Ø13 Mm”. Jurnal Aptek 13, no. 2 (July 31, 2021): 75–82. Accessed January 27, 2022. https://journal.upp.ac.id/index.php/aptek/article/view/819.