Ratri Ratnasari, D. I., Mariani, S., & Mulyono, M. (2020). Mathematics Creative Thinking Skills Reviewed from the Students’ Self-Confidence by Implementing the Treffinger Learning Model Assisted by Geogebra. Journal of Primary Education, 9(4), 377-386. https://doi.org/10.15294/jpe.v9i4.41059