“Comparative Effects of Critical Thinking and Peer-Assessment Skills Training on Ghanaian Senior High School Students’ Achievement in Mathematics: Comparative Effects of Critical Thinking and Peer-Assessment Skills Training on Ghanaian Senior High School Students’ Achievement in Mathematics”. Ghana Journal of Education: Issues and Practice 4 (December 1, 2017): 77–88. Accessed August 21, 2026. https://journal.ucc.edu.gh/index.php/gje/article/view/496.