“The Effectiveness of Psychoeducation Based on Problem-Based Learning to Enhance Subjective Well-Being”. Psikostudia : Jurnal Psikologi 14, no. 1 (March 21, 2025): 102–108. Accessed November 6, 2026. https://e-journals.unmul.ac.id/index.php/PSIKO/article/view/16872.