Tam, Phan. “Global Evidence on Human Capital and Economic Growth: The Role of Investment and Demographics”. VNUHCM Journal of Economics - Law and Management 8, no. 4 (December 31, 2024): 5807-5821. Accessed October 10, 2025. http://stdjelm.scienceandtechnology.com.vn/index.php/stdjelm/article/view/1506.