ISACHSEN OLAF. (1991). WORKING TOGETHER: A PERSONALITY CENTERED APPROACH TO MANAGEMENT (2ND.). NEW WORLD MANAGEMENT.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रISACHSEN OLAF. WORKING TOGETHER: A PERSONALITY CENTERED APPROACH TO MANAGEMENT. 2ND. SAN JUAN: NEW WORLD MANAGEMENT, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रISACHSEN OLAF. WORKING TOGETHER: A PERSONALITY CENTERED APPROACH TO MANAGEMENT. 2ND. NEW WORLD MANAGEMENT, 1991.
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