sugandi, W. kristian, Yusuf, A., & Sofyan, A. (2018). RANCANG BANGUN ALAT PENCETAK OPAK PROTOTIPE TEP-01. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 7(1), 51–62. https://doi.org/10.23960/jtep-l.v7i1.51-62