Prasetyowati, Nugraheni, and Dwijanto Dwijanto. 2019. “Mathematical Creative Thinking Ability of 7th Grade Student Observed from Self-Confidence in Learning RTTW With Open Ended Approach”. Unnes Journal of Mathematics Education 8 (2), 135-44. https://doi.org/10.15294/ujme.v8i2.32628.