By Yves Daudet | Pierre Michel Eisemann
By N/A
By Katerina Stenou
By Inger Bjorneloo | Eva Nyberg
By Jan Sadlak | Klaus Hufner | Remus Pricopie | Laura Grunberg
By Unesco
By Leopold Sedar Senghor
By Sued-Badillo, Jalil
By Postlethwaite, T.N., International Institute for Educational Planning
By Robert Dottrens46
By Mary Hayden, Jeff Thompson
By World Water Assessment Programme UNESCO
By P Guillaumont, D Garbe, P Verdun
By Unidentified Author
By Delors, Jacques
By Iwan, Wildred D.