- 1. Introduction
- 2. Methodology
- 3. Results and Discussion
- 3.1. Trend Topic: Evolution from 'Problem Recognition' to 'Technical Solutions' The graphpresents a clear narrative of how the research focus has shifted over time.
- 3.3. Thematic Evolution: The 2019 Paradigm Shift The most significant finding of this study isvisualized in the Thematic Evolution Map, which utilizes 2019 as a cut-off point.



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