Ratna Pratiwi, Wangid MN. Effectiveness of Information Services to Improve Students’ Understanding of Reproductive Health in Grade IX of Smp Negeri 6 Klaten. World Psychology [Internet]. 2025Jul.16 [cited 2026Feb.15];4(1):149-67. Available from: https://ejournal.staialhikmahpariangan.ac.id/Journal/index.php/wp/article/view/889