Umuhoza, Rozata, and Theoneste Hakizimana. “Concrete Pictorial Abstract Approach Use in Teaching Mathematics on Secondary Students’ Participation in Six Selected Schools in Kicukiro District, Rwanda”. African Journal of Empirical Research, vol. 5, no. 4, Nov. 2024, pp. 1243-51, https://doi.org/10.51867/ajernet.5.4.102.