Fardah, D., Suyitno, H., & Rochmad, R. (1). ANALISIS PROSES DAN KEMAMPUAN BERPIKIR KREATIF MATEMATIS MELALUI PEMBELAJARAN OPEN-ENDED. Unnes Journal of Mathematics Education Research, 2(2). Retrieved from https://journal.unnes.ac.id/sju/ujmer/article/view/2685