RT Article T1 Philanthropic impact and effectiveness in education JF Philanthropy and education A1 Thümler, Ekkehard 1968- A2 Bögelein, Nicole 1981- A2 Beller, Annelie LA English YR 2014 UL https://krimdok.uni-tuebingen.de/Record/1471902935 SN 9781137326249