"2018-2019 RANKING BY COUNTRY". Informatics Institute of Middle East Technical University. 2018. Archived from the original on 4 November 2018. Retrieved 3 November 2018.
"2018-2019 RANKING BY COUNTRY". Informatics Institute of Middle East Technical University. 2018. Archived from the original on 4 November 2018. Retrieved 3 November 2018.