Dyfyniad APA

GUPTA P K. (1990). OPERATIONS RESEARCH (5TH.). SULTAN CHAND AND SONS.

Dyfyniad Arddull Chicago

GUPTA P K. OPERATIONS RESEARCH. 5TH. NEW DELHI: SULTAN CHAND AND SONS, 1990.

Dyfyniad MLA

GUPTA P K. OPERATIONS RESEARCH. 5TH. SULTAN CHAND AND SONS, 1990.

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