Tullous, Raydel; Lee Utrecht, Richard - In: Journal of Business & Industrial Marketing 7 (1992) 3, pp. 5-18
Examines the combinations available to purchasers regarding the selection of suppliers (sources), e.g. the use of a single or two or more (multiple) sources. Considers the justification of either method in the context of reducing the uncertainty (risk) of a particular purchase. Illustrates the...