“Beyond Mean Comparison: Assessing the Proportional Diostribution of Critical Thinking Mastery in Problem Based Learning on Pressure Concepts Using Chi-Square Analysis”. Integrated Science Education Journal 7, no. 3 (May 31, 2026): 530–535. Accessed June 8, 2026. https://cahaya-ic.com/index.php/ISEJ/article/view/3068.