Upahi, J. E., D. O. Israel, and A. S. Olorundare. “Analysis of the West African Senior School Certificate Examination Chemistry Questions According to Bloom’s Revised Taxonomy”. International Journal of Physics and Chemistry Education, vol. 9, no. 3, June 2017, pp. 11-17, https://www.ijpce.org/index.php/IJPCE/article/view/29.