Fitra A, Rochim A, Deri Maryadi. Lean Six Sigma in Supply Chain Management: A Systematic Literature Review of Research Trends and Performance Impacts (2020–2025) . JIeTri [Internet]. 2025 Nov. 23 [cited 2026 Aug. 8];3(02):01-7. Available from: https://ejournal.univ-tridinanti.ac.id/index.php/Jietri/article/view/1696