Pegiardi, irwan, et al. “Analisis Postur Kerja Operator Dengan Metode Rula Di Area Gas Cutting”. Jurnal INTECH Teknik Industri Universitas Serang Raya, vol. 3, no. 2, Dec. 2017, pp. 73-77, https://doi.org/10.30656/intech.v3i2.881.