Motivation und lernerfolg
| Main Author: | |
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| Format: | Book |
| Language: | Spanish |
| Published: |
Wienheim :
Belltz Verlag ,
1974
|
| Series: | Beltz Bibliotek ;
n§ 15 |
| Subjects: |
| Physical Description: | 122 p. : 18 cm |
|---|---|
| ISBN: | 3407281307 |