References
- Bollag , B. 1 June 2006 . “International Group Endorses Principles for Ranking of Higher‐Education Institutions” . Chronicle of Higher Education , 54 (40)
- International Ranking Expert Group (Ireg) . 2006 . “The Berlin Principles on Ranking of Higher Education Institutions” . Retrieved September 2007 from ⟨http://www.che.de/downloads/Berlin_Principles_IREG_534.pdf⟩
- Unesco‐Cepes and Institute for Higher Education Policy . 2006 . “International Partnership Issues Groundbreaking Principles on Ranking of Higher Education Institutions” . Retrieved September 2007 from ⟨http://www.cepes.ro/hed/meetings/berlin06/press_release.pdf⟩