Utomo, Dwi Priyo, Erentrudis Junirestu, and Arif Hidayatul Khusna. “Students’ Reflective Thinking Based on Their Levels of Emotional Intelligence in Mathematical Problem-Solving”. Beta: Jurnal Tadris Matematika 14, no. 1 (May 31, 2021): 69–84. Accessed January 18, 2022. https://jurnalbeta.ac.id/index.php/betaJTM/article/view/399.