GUPTA P K. (1997). OPERATIONS RESEARCH (3.). SULTAN CHAND AND SONS.
Cita Chicago Style (17a ed.)GUPTA P K. OPERATIONS RESEARCH. 3. NEW DELHI: SULTAN CHAND AND SONS, 1997.
Cita MLA (9a ed.)GUPTA P K. OPERATIONS RESEARCH. 3. SULTAN CHAND AND SONS, 1997.
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