Quality Control Design to Reduce Shoes Production Defects Using Root Cause Analysis and Lean Six Sigma Methods: Perancangan Pengendalian Kualitas Untuk Mengurangi Cacat Produksi Sepatu Menggunakan Metode Root Cause Analysis Dan Lean Six Sigma. (2022). Procedia of Engineering and Life Science, 2(2). https://doi.org/10.21070/pels.v2i2.1242