Validity & social experimentation : : Donald Campbell's legay. / Volume 1 / / Leonard Bickman, editor.
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| Place / Publishing House: | Thousand Oaks : : Sage Publications, Incorporated,, [2001] 2001 |
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| Year of Publication: | 2001 |
| Language: | English |
| Series: | Social research methods
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| Online Access: | |
| Physical Description: | 1 online resource (333 pages) :; illustrations. |
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