International Symposium on the Evolution of the Content of General Education Over the Next Two Decades, Educational forecasting methodologies state of the art, trends and highlights / International Symposium... ; prepared by Barclay Hudson, James Bruno

Educational forecasting methodologies state of the art, trends and highlights / International Symposium... ; prepared by Barclay Hudson, James Bruno . - Paris : UNESCO, 1980 . - [2], 39 p. 30 cm . - (Information study; 8))
37.013