Research reports, social studies.
| Autor corporatiu: | |
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| Format: | Llibre |
| Idioma: | English |
| Matèries: | |
| Classic Catalogue: | View this record in Classic Catalogue |
| Publicat: | Vol. 42 |
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| Descripció física: | 461 pages : illustrations ; 30 cm. |
| Bibliografia: | Includes bibliographical references. |