SILVERSTEIN BARRY. (2007). BEST PRACTICES: MANAGING PEOPLE. HARPER COLLINS PUBLISHERS.
Chicago Style aipamenaSILVERSTEIN BARRY. BEST PRACTICES: MANAGING PEOPLE. NEW YORK: HARPER COLLINS PUBLISHERS, 2007.
MLA aipamenaSILVERSTEIN BARRY. BEST PRACTICES: MANAGING PEOPLE. HARPER COLLINS PUBLISHERS, 2007.
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