Ulinnuha, R., Budi Waluya, S. and Rochmad, R. (2021) “Creative Thinking Ability With Open-Ended Problems Based on Self-Efficacy in Gnomio Blended Learning”, Unnes Journal of Mathematics Education Research, 10(A), pp. 20-25. Available at: https://journal.unnes.ac.id/sju/index.php/ujmer/article/view/34277 (Accessed: 15May2021).