Permana HN, Saifuddin JA. Analysis of packaging quality control of PT. LMN using the seven tools method and new seven tools. OE [Internet]. 2024 Aug. 13 [cited 2026 May 28];16(2):135-46. Available from: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/oe/article/view/27656