Rondina, Janeth Q. “Instructional Games and Manipulatives in Teaching Mathematics: It’s Effect on Students’ Learning Retention and Perception”. SDSSU MULTIDISCIPLINARY RESEARCH JOURNAL 6 (June 1, 2018): 38–42. Accessed July 19, 2026. https://smrj.nemsu.edu.ph/index.php/SMRJ/article/view/210.