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