Sariyani, Dwi Tika, et al. “The Analysis of Productivity Using The American Productivity Center (APC) and Root Cause Analysis (RCA) Method (Case Study: Shodiq Samarinda Tempe Factory)”. Jurnal Teknik Industri Terintegrasi (JUTIN), vol. 8, no. 2, Apr. 2025, pp. 2112-9, doi:10.31004/jutin.v8i2.45264.