HASSAN M I. (1993). CONSULTANCY PROJECTS & ENTREPRENEURS A STUDY OF WORKING? MITTAL PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHASSAN M I. CONSULTANCY PROJECTS & ENTREPRENEURS A STUDY OF WORKING? NEW DELHI: MITTAL PUBLICATIONS, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHASSAN M I. CONSULTANCY PROJECTS & ENTREPRENEURS A STUDY OF WORKING? MITTAL PUBLICATIONS, 1993.
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