Nguyen Anh, D. (2025). Demographic Changes in Vietnam: Challenges for Old-age Support and Implications for Social Protection Policy . Tạp Chí Khoa học Xã hội Và Nhân văn (VNU Journal of Social Sciences and Humanities), 3(5), 609-618. https://jossh.ussh.edu.vn/index.php/JOSSH-VN/article/view/359