| Journal: | Horizontes (Ponce) |
| Database: | CLASE |
| System number: | 000075275 |
| ISSN: | 0018-5027 |
| Authors: | Díaz Berdecia, N |
| Year: | 1977 |
| Season: | Oct |
| Volumen: | 21 |
| Number: | 41 |
| Pages: | 75-88 |
| Country: | Puerto Rico |
| Disciplines: | Psicología |
| Keyword: | Historia y filosofía de la psicología, Piaget, Jean, Psicología |
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