Analysis of Problems in Basic Sewing Machine Settings: A Case Study on Needle Shaft and V-Belt Adjustment Errors: Analisis Permasalahan Pada Setting Dasar Mesin Jahit: Studi Kasus Pada Kesalahan Setting As Jarum Dan Vanbelt. PELS 2026, 10 (1), 2950-2956. https://doi.org/10.21070/qs571h36.