-
1book bibliotecaUNESCO
-
2article bibliotecaUNESCO
-
3article bibliotecaUNESCO
-
4article bibliotecaUNESCO
-
5by International Symposium on the Evolution of the Content of General Education over the Next Two Decades, Paris, 1980, Shane, Harold G., Tabler, M. Bernardineprogramme and meeting document bibliotecaUNESCO