Ugwuanyi, C. S., C. I. Okeke, and T. A. Ageda. “Psychological Predictors of Physics learners’ Achievement: The Moderating Influence of Gender”. Cypriot Journal of Educational Sciences, vol. 15, no. 4, Aug. 2020, pp. 834-42, doi:10.18844/cjes.v15i4.4635.