HUGHES, T. (1995). Quality Assurance A Frame Work To Build On. Black Well Science.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHUGHES, Terry. Quality Assurance A Frame Work To Build On. Black Well Science, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHUGHES, Terry. Quality Assurance A Frame Work To Build On. Black Well Science, 1995.
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