Sadeghi, V., Shahvarani, A. and Behzadi, M.H. 2021. The Effects of Cooperative Learning on Students’ Mathematics Achievement, Mathematics Self-Efficacy and Mathematics Anxiety in High School Mathematics. Journal of Informatics and Mathematical Sciences. 13, 3 (Sep. 2021), 129–141. DOI:https://doi.org/10.26713/jims.v13i3.525.