Hasibuan, R., M. Ridwan, and Y. Yusrizal. “Analysis of Macroeconomic Indicators (Case Study in North Sumatra Province)”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), Vol. 6, no. 3, Aug. 2023, pp. 2448-74, doi:10.31538/iijse.v6i3.3965.