HAGAN JACK. (1997). MANAGEMENT OF QUALITY: STRATEGIES TO IMPROVE QUALITY AND THE BOTTOM LINE. OXFORD UNIVERSITY PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHAGAN JACK. MANAGEMENT OF QUALITY: STRATEGIES TO IMPROVE QUALITY AND THE BOTTOM LINE. DELHI: OXFORD UNIVERSITY PRESS, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHAGAN JACK. MANAGEMENT OF QUALITY: STRATEGIES TO IMPROVE QUALITY AND THE BOTTOM LINE. OXFORD UNIVERSITY PRESS, 1997.
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