Authors: SCHOORMANS JPL ORTT RJ DEBONT CJPM

Citation: Jpl. Schoormans et al., ENHANCING CONCEPT TEST VALIDITY BY USING EXPERT CONSUMERS, The Journal of product innovation management, 12(2), 1995, pp. 153-162

Authors: ORTT RJ SCHOORMANS JPL

Citation: Rj. Ortt et Jpl. Schoormans, CONSUMER RESEARCH IN THE DEVELOPMENT PROCESS OF A MAJOR INNOVATION, Journal of the Market Research Society, 35(4), 1993, pp. 375-388