Κανονική προβολή Προβολή MARC Προβολή ISBD

Keeves, John P.

Learning science in a changing world : cross-national studies of science achivement : 1970 to 1984 / J. P. Keeves. - The Netherlands: The International Association for the Evaluation of Educational Achievement (IEA), 1992. - vi, 58 p. ; 24 cm.

ISBN: 9291210013

Dewey Class. No.: 507.1