Satrio Ardiansyah, A., Junaedi, I., & Asikin, M. (2018). Student’s Creative Thinking Skill and Belief in Mathematics in Setting Challenge Based Learning Viewed by Adversity Quotient. Unnes Journal of Mathematics Education Research, 7(1), 61-70. Retrieved from https://journal.unnes.ac.id/sju/index.php/ujmer/article/view/24217