Schwartzman,David. (1976). Innovation in the pharmaceutical industry. London: Hopkins University Press.
शिकागो स्टाइल उद्धरणSchwartzman,David. Innovation in the Pharmaceutical Industry. London: Hopkins University Press, 1976.
एमएलए उद्धरणSchwartzman,David. Innovation in the Pharmaceutical Industry. London: Hopkins University Press, 1976.
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