Anh Ngoc, Tran, and Hoang Thi Ngoc Sen. “Knowledge and Attitude Towards Contraceptive Methods Among First-Year Nursing Students in Da Nang, Vietnam”. Research Medical Journal 45, no. 3 (September 26, 2022): 23–32. accessed September 19, 2026. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/257591.