Septhyaningrum J, Indrayeni R. The Relationship Between Early Puberty Age And Sexual Behavior On Teenage Students at SMK X Jakarta. JUMKEP PRIMA [Internet]. 2026 Apr. 7 [cited 2026 Apr. 11];11(1):19-2. Available from: https://jurnal.unprimdn.ac.id/index.php/jumkep/article/view/7790