Abdul Karim, Zulkefly, Nurul Aqilah Mohd Nuruddin, Bakri Abdul Karim, Massita Mohamad, and Ismahalil Ishak. “The Impact of Population Aging and Fertility Rate on Economic Growth in Malaysia”. Economic Journal of Emerging Markets 15, no. 2 (October 31, 2023): 199–211. Accessed May 11, 2024. https://journal.uii.ac.id/JEP/article/view/30475.