Supply Chain Management, Total Quality Management, and Circular Economy: A Bibliometric Analysis and Systematic Literature Review
Robert Agwot Komakech, Thomas Ogoro Ombati, Reuben Wambua Kikwatha

Abstract
The primary purpose of this study is to review and synthesize the extant literature on the various key Operations Management areas such as; Supply Chain Management (SCM), Total Quality Management (TQM) and Circular Economy (CE) to address the critical challenges faced by organizations and develop a comprehensive framework to improve overall operational performance; and to identify future research directions. A bibliometric analysis of 1877 articles (published 1998-May 2023) and a systematic literature review using Scopus as a reliable source of academic literature. The analysis was based on an insightful combination of descriptive, thematic, and content analysis techniques. The comprehensive investigation into SCM, TQM, and CE yields significant findings contributing to these domains' evolving research landscape. The key insights include the substantial growth in interest and recognition of these topics from 1998 to 2023, suggesting dynamic shifts in research focus. The study also reveals a symbiotic relationship between SCM, TQM, and CE, enhancing traditional operational dimensions and extending the focus to sustainability, resilience, and adaptability. The study also revealed methodological diversity, incorporating quantitative and qualitative approaches, adding depth to these findings, and providing a comprehensive understanding for future research endeavors. Finally, six critical future research directions are identified. The study's implications extend beyond its immediate findings, offering a roadmap for future research, guiding practical strategies in SCM, and contributing significantly to the theoretical foundations of SCM, TQM, and CE.

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