Widiyawati, A.T. et al. 2026. The Strategic Role and Implementation of the Sustainable Development Goals through Public Libraries: A Multi-Case Study in Seven Provinces with the Highest Regional Competiveness Index (RCI/IDSD) Scores in Indonesia. Daengku: Journal of Humanities and Social Sciences Innovation. 6, 1 (Feb. 2026), 91–119. DOI:https://doi.org/10.35877/454RI.daengku4861.