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Books by Dr. Robert F. DeVellis

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Scale Development: Theory and Applications (Applied Social Research Methods) 2nd (second) edition
🇺🇸 United States
Scale Development: Theory and Applications (Applied Social …
By: Dr. Robert F. DeVellis
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By Dr. Robert F. DeVellis Scale Development: Theory and Applications Second Edition (Applied Social Research Methods) (2e)
🇺🇸 United States
By Dr. Robert F. DeVellis Scale Development: Theory and App…
By: Dr. Robert F. DeVellis
View Details
Scale Development: Theory and Applications (Applied Social Research Methods)
🇺🇸 United States
Scale Development: Theory and Applications (Applied Social …
By: Dr. Robert F. DeVellis
View Details