Ufondu, Chidiebere Christopher, Mohammed Adamu Auta, and Chibuzor Christy Ifi. “Analysis of the Psychometric Properties of Business Studies Achievement Test for Senior Secondary Schools in Nigeria”. Journal of Research, Policy & Practice of Teachers and Teacher Education 13, no. 2 (October 18, 2023): 98–110. Accessed July 3, 2024. https://ejournal.upsi.edu.my/index.php/JRPPTTE/article/view/7285.