Simanjuntak, Sabriani Royana, and Haposan Siallagan. “The Role of The People Representative Council of Pematang Siantar City, Indonesia, in Supporting Community Welfare”. Golden Ratio of Data in Summary, vol. 6, no. 1, Dec. 2025, pp. 46-59, doi:10.52970/grdis.v6i1.1872.