00536pamaa2200157 4500 0000051067 20130305090000.0 130306s2010 eng 00178012 Harvard Business Review : vol. 88, no.7-12, 2010. Boston [etc.]: Graduate School of Business Administration, Harvard University, 1956-. v.: ill.; 30 cm. Business -- Periodicals Economic history -- Periodicals Commerce -- Periodical www.hbr.org