Attakumah, D. ., Ndiritu, J. . K., & Njihia , M. . (2023). Endogenous Inputs Use as a Predictor of Internal Efficiency in Postgraduate Research Degree Programmes in Ghanaian Public Universities. British Journal of Multidisciplinary and Advanced Studies, 3(2), 1–22. https://doi.org/10.37745/bjmas.2022.0045 (Original work published November 28, 2022)