The Applicability of Scientific Approach to Increase the Student’s Critical Thinking Skill in Mathematic of the Student 5 Grade. Jurnal Modeling [Internet]. 2019 Mar. 15 [cited 2026 Jul. 29];6(1):56-63. Available from: https://jurnal.stitnualhikmah.ac.id/index.php/modeling/article/view/356