Nurjannah N, Prasetyo K. The Effect of Using Rock Type Classification Comparator Board Media In Contextual Learning on Geography Learning Outcomes Of Class X at SMAN 22 Surabaya. jrssem [Internet]. 2024 Dec. 26 [cited 2025 Dec. 5];4(5):754-71. Available from: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/765