THE INFLUENCE OF PROBLEM SOLVING LEARNING MODELS ON STUDENTS CRITICAL THINKING SKILLS IN INTEGRATED SOCIAL STUDIES SUBJECTS AT JUNIOR HIGH SCHOOL 11 SAMARINDA. escs [Internet]. 2023 Dec. 31 [cited 2026 Aug. 3];3(1):117-24. Available from: https://jurnal.fkip.unmul.ac.id/index.php/escs/article/view/2601