Susanti D, Budi Waluya S, Rosyida I. Student’s Mathematical Reasoning Ability Viewed from Self-Confidence in Mathematical Modeling with Open-ended Approach Learning. UJMER [Internet]. 15Jun.2020 [cited 22Nov.2024];9(1):114-22. Available from: https://journal.unnes.ac.id/sju/ujmer/article/view/32061