Fatai, Akinrinade, Muritala Abdulkabir, and Ahmadu Abdulaziz Oshioke. 2016. “Factors Influencing the Chances of Making a Ph.D Grade at the End of M.Sc: A Logistic Regression Approach”. Pure and Applied Science Advances 5 (2):360-66. https://sjournals.com/index.php/sjpas/article/view/1320.