Catherine, U. ., and . E. E. . Ikpi. “One-Parameter Logistic Model and Its Application in Test Development: Research Paper”. International Journal of Research in Social Science and Humanities (IJRSS) ISSN:2582-6220, DOI: 10.47505/IJRSS, vol. 1, no. 2, Apr. 2020, pp. 40-45, https://ijrss.org/index.php/ijrss/article/view/9.