Alfiani, I., Dwijanto, D. and Nur Cahyono, A. (2019) “Mathematical Creative Thinking Ability Viewed By Self-Esteem In Problem-Based Learning With Open Ended Approach”, Unnes Journal of Mathematics Education Research, 8(2), pp. 195-202. Available at: https://journal.unnes.ac.id/sju/ujmer/article/view/28091 (Accessed: 21December2024).