Hariadi, Y. et al. 2026. Development Disparity Analysis: Clustering Regencies and Cities in Riau Province Based on Socio-Economic Indicators Using K-Means and Hierarchical Algorithms. Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI). 5, 2 (Sep. 2026), 2219–2225. DOI:https://doi.org/10.62712/juktisi.v5i2.1454.