GILLETT BILLY E. (1979). INTRODUCTION TO OPERATIONS RESEARCH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGILLETT BILLY E. INTRODUCTION TO OPERATIONS RESEARCH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGILLETT BILLY E. INTRODUCTION TO OPERATIONS RESEARCH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1979.
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