1. Spady, W.G. (1994). Outcome-Based Education: Critical Issues and Answers, American Association of School Administrators.
2. Robert, L.L., and Norman, E.G. (2000). Measurement, and Assessment in Teaching, Merrill.
3. Analyzing student performance in Higher Education using fuzzy logic evaluation;Petra;Int. J. Sci. Technol. Res.,2021
4. Brown, G., Bull, J., and Pendlebury, M. (1997). Assessing Student Learning in Higher Education, Routledge.
5. Alam, A., Ullah, S., Zamir, M., and Ali, N. (2016). Evaluating student’s performance in adaptive 3D-virtual learning environments using fuzzy logic. Sindh Univ. Res. J.-SURJ (Sci. Ser.), 48.