Sjarifudin, Didin, et al. “Implementation of Six Sigma Approach for Increasing Quality Formal men’s Jackets in the Garment Industry”.
Jurnal Sistem Dan Manajemen Industri, vol. 6, no. 1, June 2022, pp. 33-44,
https://doi.org/10.30656/jsmi.v6i1.4359.