Odoom, E., D. K. Mereku, and M. Sarpong Adusei. “Effect of Problem-Based Learning on High School Students’ Performance in Solving Simultaneous Linear Equation Word Problems”. African Journal of Educational Studies in Mathematics and Sciences, vol. 20, no. 1, June 2024, pp. 75-83, doi:10.4314/ajesms.v20i1.5.