Heni Nastiti, Jenji Gunaedi Argo. Analysis Of Quality Improvement And Quality Cost Reduction In The 5S Tempeh Production Process At Sirajussaadah Limo Islamic Boarding School Depok. Jurnal Ekonomi [Internet]. 2024 Mar. 18 [cited 2025 Nov. 10];13(01):2144-58. Available from: https://www.ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/4267