Setiadi, Iwan. “Empirical Test of Content Validity and Construct Validity of Mathematical Self-Efficacy Scale”. Tarbiyah : Jurnal Ilmiah Kependidikan 10, no. 2 (December 31, 2021): 64–72. Accessed May 5, 2024. https://jurnal.uin-antasari.ac.id/index.php/jtjik/article/view/4341.