Lubis, R. P. R. ., and I. Iswandi. “Process of Manufacturing Composite Polymer Crushing Machine With A Capacity of 10 kg/Hour”. IRA Jurnal Teknik Mesin Dan Aplikasinya (IRAJTMA), vol. 4, no. 2, Aug. 2025, pp. 33-36, doi:10.56862/irajtma.v4i2.284.