Ogunka, Richard Iheanyichukwu, and Nwuchegbuo Iheanyichukwu. 2022. “Application of Generalizability Theory in Estimating Variance Components in Senior Secondary School Certificate Examination Physics Essay Questions”. Journal of Computer Adaptive Testing in Africa 1 (June):48-58. https://jocatia.acata.org/index.php/jocatia/article/view/3.