Ghofur A, Andawiyah R, Mattari ASA. Empowering Learners on Mathematic Subject by Problem Based Learning and Metacognitive Strategy to Improve Reflective Thinking Competence. Int Jour edu Research and Dev [Internet]. 2023Dec.7 [cited 2026Feb.11];3(2):107-14. Available from: https://e-journal.yayasancec.or.id/index.php/corolla/article/view/39