Jae-Sung Ji, Jae-Yong Lee, Soo-Yong Park, Dong-Hyung Lee,. Management improvement through total cost reduction activi ty in a small and medium cosmetic manufacturing company: A case study. Elementary Education Online [Internet]. 2023 Dec. 15 [cited 2024 Nov. 5];20(3):722-8. Available from: https://ilkogretim-online.org./index.php/pub/article/view/1883