Agutu, M. H., Gichohi, D. P., & Wamalwa, D. B. (2019). Effects of Cooperative Thinking Skills Training Intervention on Academic Performance of Primary School Pupils in Nakuru West Sub-County, Kenya. Journal of Education, 2(3), 25–35. Retrieved from https://stratfordjournals.org/journals/index.php/journal-of-education/article/view/337