Fardah, Dini, Hardi Suyitno, and Rochmad Rochmad. “ANALISIS PROSES DAN KEMAMPUAN BERPIKIR KREATIF MATEMATIS MELALUI PEMBELAJARAN OPEN-ENDED”. Unnes Journal of Mathematics Education Research 2, no. 2 (1). Accessed June 4, 2024. https://journal.unnes.ac.id/sju/ujmer/article/view/2685.