Bisschoff, Christo A, and Heinrich C Barnard. “A Model to Measure the Service Quality of Pharmaceutical Wholesalers”. Journal of Economics and Behavioral Studies 11, no. 3(J) (July 18, 2019): 23–38. Accessed October 25, 2026. https://amhinternational.com/jebs/article/view/3407-a-model-to-measure-the-service-quality-of-pharmaceutical-wholesalers.