Martina, T.; Anastasia, V. .; Purnama, I. .; Kusumadewi, A. Efforts to Reduce Single Needle Sewing Machine Downtime Using the Define, Measure, Analyze, Improve and Control (DMAIC) Method on Line Hangers 1-6 at PT Dekatama Centra. SAINTEKS 2026, 8, 182-197.