Fitra, Adi, Abdul Rochim, and Deri Maryadi. “Lean Six Sigma in Supply Chain Management: A Systematic Literature Review of Research Trends and Performance Impacts (2020–2025)”. JIeTri : Journal of Industrial Engineering Tridinanti 3, no. 02 (November 23, 2025): 01–07. Accessed August 8, 2026. https://ejournal.univ-tridinanti.ac.id/index.php/Jietri/article/view/1696.