Beyond Mean Comparison: Assessing the Proportional Diostribution of Critical Thinking Mastery in Problem Based Learning on Pressure Concepts Using Chi-Square Analysis. In. Sci. Ed. J [Internet]. 2026 May 31 [cited 2026 Jun. 8];7(3):530-5. Available from: https://cahaya-ic.com/index.php/ISEJ/article/view/3068