Slatter, S. S. P. (1977). Competition and marketing strategies in the pharmaceutical industry. London: Croom Helm.
शिकागो स्टाइल उद्धरणSlatter, Stuart St. P. Competition and Marketing Strategies in the Pharmaceutical Industry. London: Croom Helm, 1977.
एमएलए उद्धरणSlatter, Stuart St. P. Competition and Marketing Strategies in the Pharmaceutical Industry. London: Croom Helm, 1977.
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