Apriyanti I, Fitri Adista N. THE EFFECTIVENESS OF HEALTH EDUCATION THROUGH E-FILES MULTIMEDIA AND FACE-TO-FACE CLASSROOM LEARNING ON ADOLESCENTS’ REPRODUCTIVE HEALTH KNOWLEDGE AMONG SEVENTH-GRADE STUDENTS AT SMPN 1 KRAMATWATU, SERANG, BANTEN. nhjk [Internet]. 2026 Jul. 6 [cited 2026 Aug. 25];15(1):31-8. Available from: https://www.ejournal-kertacendekia.id/index.php/nhjk/article/view/881