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 2026, 15, 31-38.