Williams, N. (1967). Linear and non-linear programming in industry. Pitman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, N. Linear and Non-linear Programming in Industry. London: Pitman, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilliams, N. Linear and Non-linear Programming in Industry. Pitman, 1967.
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