Nugraha, I. and Donoriyanto, D.S. 2023. Quality Control Analysis to Reduce Instant Noodle Product Defects with Six Sigma and Kaizen Method. Nusantara Science and Technology Proceedings. 2023, 36 (Dec. 2023), 231-238. DOI:https://doi.org/10.11594/nstp.2023.3633.