K. Kristianto, D. T. Purba, R. Napitu, J. A. S. Silalahi, and A. Y. Permana, “Regional Budget and Regional Development in Simalungun Regency: A Var Approach”, JIA, vol. 8, no. 1, pp. 244–255, May 2026, doi: 10.36985/2h6axp23.