- Author: Nancy F. Sizer, Theodore R. Sizer, James M. Gustafson, Richard S. Peters, Lawrence Kohlberg, Bruno Bettelheim, Kenneth Keniston
- Language: English
- Year: 1970
- Author: Bruno Bettelheim
- Language: Portuguese
- Year: 2011
- Author: Bruno Bettelheim
- Language: Italian
- Year: 1996
- Author: Bruno Bettelheim
- Language: Spanish
- Year: 1974
- Author: Bruno Bettelheim
- Language: Italian
- Year: 1996
- Author: Bruno Bettelheim
- Language: English
- Year: 1983
- Author: Bruno Bettelheim
- Language: English
- Year: 1960
Sobrevivir
pdf
- Author: Bruno Bettelheim
- Language: Spanish
- Year: 2014
- Author: Bruno Bettelheim
- Language: Spanish
- Year: 2014
- Author: Bruno bettelheim
- Language: Spanish
- Year: 1970