Kamalasari, Aliq Fiya, Y.L. Sukestiyarno, and Adi Nur Cahyono. “E-Module Using Van Hiele Phases of Learning to Improve Student’s Mathematical Creative Thinking Skills”. Unnes Journal of Mathematics Education Research 11, no. 2 (December 30, 2022): 200-208. Accessed November 22, 2024. https://journal.unnes.ac.id/sju/ujmer/article/view/75262.