Marhaeni, Nafida Hetty, Nanang Khuzaini, Muhammad Rafi Fajar Rizky, Reny Yuniasanti, Mutaqin Akbar, Dian Kartika Sari, and Dangin Dangin. 2024. “Feasibility of Opportunity Material Module With Joymath Cognitive Behavioral Method to Reduce Mathematics Anxiety and Increase Student Self-Efficacy”. Mosharafa: Jurnal Pendidikan Matematika 13 (3):817-28. https://doi.org/10.31980/mosharafa.v13i3.2188.