Saputra, M. Wahyu, and Joumil Aidil Saifuddin. 2026. “Lean Manufacturing to Reduce Waste in Jumbo Bag Production Using VSM, VALSAT, Kaizen”. Academia Open 11 (2):10.21070/acopen.11.2026.13787. https://doi.org/10.21070/acopen.11.2026.13787.