Arifah, Umi, Hardi Suyitno, and Nuriana Rachmani Dewi. “Meningkatkan Kemampuan Berpikir Kritis Matematis Melalui Model Brain Based Learning Berbantuan Powtoon”. PRISMA, Prosiding Seminar Nasional Matematika 2 (February 27, 2019): 718-723. Accessed November 21, 2024. https://journal.unnes.ac.id/sju/prisma/article/view/29258.