Nurhasanah, R., S. B. Waluya, and I. Kharisudin. “Mathematical Communication Ability from The Perspective of Math Anxiety in 10th Grade Student”. Unnes Journal of Mathematics Education Research, Vol. 10, no. 2, Dec. 2021, pp. 115-21, https://journal.unnes.ac.id/sju/ujmer/article/view/44831.