Triwibowo, Z., N. K. Dwidayati, and S. Sugiman. “Analysis of Mathematical Creative Thinking Ability Viewed from Students Learning Styles in Seventh Grader Through Treffinger Learning Model With Open-Ended Approach”. Unnes Journal of Mathematics Education, Vol. 6, no. 3, Nov. 2017, pp. 391-9, doi:10.15294/ujme.v6i3.17987.