1. Shehatta,I., Mahmood,K.(2016).Correlationamong top 100 universities in the major six global rankings: policyimplications. Scientometrics, 109(2), 1231–1254.
Aguillo, I. F., Bar-Ilan, J., Levene, M., & Ortega, J. L. (2010). Comparing university rankings. Scientometrics,85(1), 243–256.
Cakir, M. P., Acarturk, C., Alasehir, O., & Cilingir, C. (2015). A comparative analysis of global and national university ranking systems. Scientometrics,103, 813–848.Google Scholar
Chen, K., & Liao, P. (2012). A comparative study on world university rankings: A bibliometric survey. Scientometrics,92(1), 89–103.