Panjaitan, D. A. ., S. N. . Lubis, T. . Sabrina, and B. . “The Effect of Bottom-Up Approach in Development Planning on Regional Economic Development in North Sumatra Province, Indonesia”. Journal of Ecohumanism, vol. 3, no. 4, July 2024, pp. 522-31, doi:10.62754/joe.v3i4.3506.