Economy and technique of learning,
Guardado en:
| OCLC: | 2142688 |
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| Autor principal: | |
| Lenguaje: | English |
| Publicado: |
Boston,
D. C. Heath
[c1932]
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| Materias: | |
| Formato: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Descripción Física: | x, 534 p. illus., diagrs. 20 cm. |
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