https://libcat.egst.edu.et//cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Heifetz%2C%20Ronald%20A.%22&sort_by=relevance&format=rss 2 0 50 ISBN:9781578514371 (hpb) https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=3035 By Heifetz, Ronald A..
Boston, Mass. : Harvard Business School Press, 2002 .
xi, 252 p. ; 24 cm..
9781578514371 (hpb)

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]]> https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=3035 ISBN:9781422105764 (hardcover : alk. paper) https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=20036 ]]> By Heifetz, Ronald A..
Boston, Mass. : Harvard Business Press, 2009 .
xvi, 326 p. : 24 cm..
9781422105764 (hardcover : alk. paper)

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