Yeboah, A., A. Gyamfi, D. K. Wintson, and A. D. Prempeh. “Item Analysis, Reliability Estimates, Percentile Ranks and Stanine Scores Among University Students in Ghana”. Advances in Social Sciences Research Journal, vol. 9, no. 8, Aug. 2022, pp. 42-60, doi:10.14738/assrj.98.12757.