Lubis, N. A., Rangkuty, D. M., Efendi, B., & Sari, W. I. (2025). Hubungan antara investasi asing langsung tehadap indeks harga perdagangan besar di Indonesia: Pendekatan model persamaan simultan. Journal of Economics Research and Policy Studies, 5(2), 587–601. https://doi.org/10.53088/jerps.v5i2.2083