Nurhasanah, Chusni MM. Enhancing Students’ Awareness of Pubertal Signs and The Habit of Gratitude Through a Problem-Based Learning (PBL) Approach. JKGK [Internet]. 2025 Feb. 1 [cited 2025 Dec. 8];3(1):42-53. Available from: https://ejournal.uinsgd.ac.id/index.php/jkgk/article/view/1267