Polonia, B. S. E., H. Helanianto, dan H. Kurniawan. “RANCANG BANGUN MESIN PENGAYAK PASIR OTOMATIS”. Injection: Indonesian Journal of Vocational Mechanical Engineering, vol. 2, no. 2, September 2022, hlm. 76-81, doi:10.58466/injection.v2i2.1478.