Ahmed Mohamed, A. A., & Eltahir, M. S. H. (2018). Multivariate methods for Investigating Academic Stumbling: A Case Study Faculty of Economics and Rural Development, University of Gezira State, Sudan (2017). IJRDO - Journal of Social Science and Humanities Research, 3(3), 75-90. https://doi.org/10.53555/sshr.v3i3.1919