Hartono, D. A., & Sumiati, S. (2025). Analysis of Defect Reduction in Bone Screw Production Using Six Sigma and TRIZ Methods : Analisis Pengurangan Tingkat Cacat pada Produksi Bone Screw dengan Metode Six Sigma dan Triz. Indonesian Journal of Innovation Studies, 26(4), 10.21070/ijins.v26i4.1583. https://doi.org/10.21070/ijins.v26i4.1583