Elizabeth O. Ojo, Joshua O. Adeleke and Simeon O. Ariyo 2022. Assessment of Gender-related Differential Item Functioning of Teacher-Made Chemistry test. The African Journal of Behavioural and Scale Development Research. 1, 2 (Mar. 2022). DOI:https://doi.org/10.58579/AJB-SDR/1.2.2019.49.