Silvia Rahayu, et al. “DYNAMICS OF INVESTMENT, POPULATION, AND EMPLOYMENT AND THEIR IMPACT ON ECONOMIC GROWTH IN SUMATRA ISLAND”. Akrab Juara : Jurnal Ilmu-Ilmu Sosial, vol. 10, no. 4, Nov. 2025, pp. 2032-40, https://akrabjuara.com/index.php/akrabjuara/article/view/2680.