By Ripodas Ardanaz, Daisy..
[Buenos Aires Fundación para la Educación, la Ciencia y la Cultura 1977 .
ix, 454 p. [8] leaves of plates 23 cm..

By Klausmeier, Herbert J..
México Harla 1977 .
xi, 527 p. , Translation of : Learning and human abilities : educational psychology.

Barcelona Plaza & Janes 1977 .
8 v.

Victoria, Australia Lonely Planet 1977 .
1033 p. , Includes index. 18 cm..
0-86442-546-5