Keohane, Georgia Levenson. Social entrepreneurship for the 21st century : innovation across the non-profit, public, and private sectors / Georgia Levenson Keohane. - New York : McGraw-Hill, c2013. - viii, 263 p. ; 24 cm. ISBN: 9780071801676 (alk. paper) 0071801677 (alk. paper) LCCN: 2012038431 Subjects--Topical Terms: Social entrepreneurship. LC Class. No.: HD60 / .K4823 2013 Dewey Class. No.: 658.4/08