Suripto, Heri, Sukarman, Aprizal, Yose Rizal, and Saiful Anwar. “Pembuatan Mesin Pencacah Single Blade Kapasitas 100 kg/jam Dengan Metode Pahl &Amp; Beitz”. Jurnal Aptek 13, no. 2 (July 31, 2021): 83–89. Accessed January 27, 2022. https://journal.upp.ac.id/index.php/aptek/article/view/830.