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Andini T, Yudoko G. Business Process Improvement in Call Center Operations at XYZ Malaysia Using Lean Six Sigma. Jurnal Bisnis dan Pemasaran Digital [Internet]. 2024 Jan. 20 [cited 2025 Aug. 19];3(2):137-53. Available from: https://penerbitgoodwood.com/index.php/JBPD/article/view/4515