Fiveriati, Anggra, Tri Hartutuk Ningsih, and Abdul Ghoni. 2019. “PROSES PRODUKSI BODY UPPER GENERATING DRUM TYPE CAP.120 T H”. Otopro 14 (2). "Surabaya, Indonesia":40-46. https://doi.org/10.26740/otopro.v14n2.p40-46.