Dinda Shobiyyah, Junierissa Marpaung, and Ramdani. 2025. “THE EFFECTIVENESS OF PROBLEM-SOLVING-BASED INFORMATION SERVICES IN IMPROVING THE HIGH ORDER THINKING SKILLS OF ADOLESCENTS AT TANJUNG GUNDAP”. PROCEEDING OF INTERNATIONAL CONFERENCE ON MULTIDISCIPLINARY STUDY 2 (1):83-94. https://proceeding.unrika.ac.id/index.php/ICMS/article/view/59.