Susanti, Desmiani, St. Budi Waluya, and Isnaini Rosyida. “Student’s Mathematical Reasoning Ability Viewed from Self-Confidence in Mathematical Modeling With Open-Ended Approach Learning”. Unnes Journal of Mathematics Education Research 9, no. 1 (June 15, 2020): 114-122. Accessed July 18, 2024. http://journal.unnes.ac.id/sju/ujmer/article/view/32061.