Hillier Frederick S & Lieberman Gerald J. (1977). Introduction to operations research. Holden-Day INC.
शिकागो स्टाइल उद्धरणHillier Frederick S और Lieberman Gerald J. Introduction to Operations Research. San-Francisco: Holden-Day INC, 1977.
एमएलए उद्धरणHillier Frederick S और Lieberman Gerald J. Introduction to Operations Research. Holden-Day INC, 1977.
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