Wiharno, Wiharno, Iwan Junaedi, and Isnaini Rosyida. “Problem-Solving Ability of Seventh Grade Students Viewed From Locus of Control in Tapps Learning”. Unnes Journal of Mathematics Education Research 10, no. A (August 10, 2020). Accessed December 21, 2024. https://journal.unnes.ac.id/sju/ujmer/article/view/40032.