THỊ KIM THOANGUYỄN. “Imbalances in Sex Ratio at Birth in Vietnam: Causes and Implications”. Tạp chí Nghiên cứu Khoa học Công đoàn, no. 10 (March 23, 2018): 16. Accessed May 25, 2024. https://www.vjol.info.vn/index.php/DHCD/article/view/33283.