Sa’adah, H., M. Masrukan, and R. Rochmad. “Mathematical Critical Thinking Ability in Terms of Student Learning Independence Character in SQ4R Learning Model With Project Assessment”. Unnes Journal of Mathematics Education Research, Vol. 11, no. 1, June 2022, pp. 1-8, https://journal.unnes.ac.id/sju/ujmer/article/view/44798.