TY - BOOK AU - Keohane, Georgia Levenson TI - Social entrepreneurship for the 21st century : innovation across the nonprofit, private, and public sectors SN - 9780071801676 U1 - 658.408 PY - 2013/// CY - New York: PB - McGraw-Hill KW - case study KW - commercialisation KW - public sector KW - social entrepreneurship KW - social impact KW - social innovation ER -