[1]
E. F. Purba, N. Nopeline, L. L. Sianipar, and L. Lastri, “Mapping Development Disparities: A Typology of Regencies and Cities in North Sumatra Based on Economic, Human Development, and Income Distribution Indicators”, Ekuilnomi, vol. 8, no. 1, pp. 247–258, Feb. 2026, doi: 10.36985/82na4889.