Ayanwale, Musa Adekunle, Julia Chere-Masopha, and Malebohang C. Morena. “The Classical Test or Item Response Measurement Theory: The Status of the Framework at the Examination Council of Lesotho”. International Journal of Learning, Teaching and Educational Research 21, no. 8 (August 30, 2022): 384–406. Accessed April 18, 2026. https://ijlter.net/index.php/ijlter/article/view/1399.