stevenson, w. j. (2014). operations management (12th. ed.). mcgraw- hill education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रstevenson, william j. Operations Management. 12th. ed. british: mcgraw- hill education, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रstevenson, william j. Operations Management. 12th. ed. mcgraw- hill education, 2014.
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