THE EFFECTIVENESS OF PROBLEM-SOLVING-BASED INFORMATION SERVICES IN IMPROVING THE HIGH ORDER THINKING SKILLS OF ADOLESCENTS AT TANJUNG GUNDAP. ICMS [Internet]. 30 Januari 2025 [dikutip 2 Februari 2026];2(1):83-94. Tersedia pada: https://proceeding.unrika.ac.id/index.php/ICMS/article/view/59