R. Purnatrityarini, A. Putri Berliana, and G. Aisy Nabillah, “Analysis of Service Center Hierarchy and Spatial Interaction in Boyolali Regency Using the Scalogram Method and the Marshall Centrality Index”, monas: j. inov aparatur, vol. 8, no. 1, Jun. 2026, doi: 10.54849/monas.v8i1.317.