GEBHARDT, Gary, CARRILLAT, François, RIGGLE, Robert J., LOCANDER, William B.;
« A Market-Based Procedure for Assessing and Improving Content Validity »,
Customer Needs and Solutions, vol. 7, no 1-2, 2020, p. 19-41.
GEBHARDT, Gary, FARRELLY, Francis J., CONDUIT, Jodie;
« Market Intelligence Dissemination Practices »,
Journal of Marketing, vol. 83, no 3, 2019, p. 72-90.