Releases by DeVellis, Robert F. (The University of North Carolina at Chapel Hill, USA)

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Cover for DeVellis, Robert F. (The University of North Carolina at Chapel Hill, USA) · Scale Development: Theory and Applications (Paperback Book) [5 Revised edition] (2022)

5 Revised edition

Scale Development: Theory and Ap... (2022)

DeVellis, Robert F. (The Univers...