Jamil, S. N. A., M. Shahrill, and Y. M. Sari. “Effects of Buddy System on Year 9 students’ Mathematical Discernments and Performance”. JRAMathEdu (Journal of Research and Advances in Mathematics Education), vol. 10, no. 2, Apr. 2025, pp. 81-89, doi:10.23917/jramathedu.v10i2.7058.