Carregant...
An introduction to scientific research /
| Autor principal: | |
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| Format: | Printed Book |
| Publicat: |
New York :
McGraw-Hill,
1952
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| Matèries: |
| Descripció física: | x, 373 p. : ill. ; 22 cm. |
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| Bibliografia: | Includes bibliographical references and index. |