Mukuka, A. ., V. Mutarutinya, and S. . Balimuttajjo. “Mediating Effect of Self-Efficacy on the Relationship Between Instruction and students’ Mathematical Reasoning”. Journal on Mathematics Education, vol. 12, no. 1, Jan. 2021, pp. 73-92, https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3732.