Sukma Dwi Anggraini and Wahyu Susiloningsih (2024) “THE EFFECT OF PROBLEM-BASED LEARNING MODEL ON HIGHER ORDER THINKING SKILLS IN CLASS IV ELEMENTARY SCHOOL SCIENCE LEARNING”, JOURNAL OF HUMANITIES AND SOCIAL STUDIES, 2(03), pp. 1052–1059. Available at: https://humasjournal.my.id/index.php/HJ/article/view/367 (Accessed: 4 September 2025).