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Robert F. DeVellis

All books by Robert F. DeVellis

(Displaying 1 Book)

BUNDLE : Fowler : Survey Research Methods 4e + Kremelberg : Practical Statistics + Devellis : Scale Development 2e + Converse : Survey Questions + Spector

BUNDLE : Fowler : Survey Research Methods 4e + Kremelberg : Practical Statistics + Devellis : Scale Development 2e + Converse : Survey Questions + Spector

Floyd J. Fowler

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