Sommerrock, Katharina 1979- Social entrepreneurship business models : incentive strategies to catalyze public goods provision / Katharina Sommerrock - Basingstoke : Palgrave Macmillan, 2010 - 307 p. : ill. Includes bibliographical references and index ISBN: 978023027857 Subjects--Topical Terms: Social entrepreneurship LC Class. No.: HD 60 / S655S