Economy and technique of learning,
Sparad:
| OCLC: | 2142688 |
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| Huvudupphovsman: | |
| Språk: | English |
| Publicerad: |
Boston,
D. C. Heath
[c1932]
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| Ämnen: | |
| Materialtyp: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Fysisk beskrivning: | x, 534 p. illus., diagrs. 20 cm. |
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