Hong Hanh NT. SCHOOL-BASED EXTRACURRICULAR ACTIVITIES IMPROVE REPRODUCTIVE HEALTH KNOWLEDGE FOR HIGH SCHOOL STUDENTS: A STUDY IN TRA VINH PROVINCE, VIETNAM. EJRH [Internet]. 2023 Aug. 1 [cited 2024 Nov. 7];15(3):12. Available from: https://ejrh.org/index.php/ejrh/article/view/638