-
1
-
2Published 1958“...UNESCO,...”
Conference Proceeding Book -
3
-
4Published 1989“...Published by UNESCO and Parthenon,...”
Book -
5Published 1993“...Unesco ; Cambridge University Press,...”
Book -
6Published 1996“...UNESCO ; Parthenon Pub. Group,...”
Book -
7Published 1991“...U.N.E.S.C.O. ; Parthenon Pub. Group,...”
Book