Tambun, L. H., Andiny, P., Nurlina, N., Chaira, T. M. I., & Asnidar, A. (2024). Analisis pusat-pusat pertumbuhan ekonomi di Kabupaten Toba Provinsi Sumatera Utara. Journal of Economics Research and Policy Studies, 4(3), 547–560. https://doi.org/10.53088/jerps.v4i3.1330