Mahfudy, Sofyan, Kamirsyah Wahyu, Mauliddin Mauliddin, Lalu Sucipto, Erpin Evendi, and Samsul Irpan. 2019. “Characters and Values in Mathematics Teaching and Learning: A Review of Researches in Indonesia”. Beta: Jurnal Tadris Matematika 12 (1), 60-81. https://doi.org/10.20414/betajtm.v12i1.237.