Dr. Umar Saeed. “Roles of Cyclin Dependent Kinase and CDK-Activating Kinase in Cell Cycle Regulation: Contemplation of Intracellular Interactions and Functional Characterization”. Global Journal of Medical Research, vol. 12, no. 11, July 2012, pp. 47-52, https://medicalresearchjournal.org/index.php/GJMR/article/view/344.