van Schie, SusanGüntert, StefanOostlander, JeannetteWehner, Theo2015-10-142015-10-1420151573-78880957-876510.1007/s11266-014-9472-zhttp://hdl.handle.net/11654/10352en330 - WirtschaftHow the organizational context impacts volunteers: A differentiated perspective on self-determined motivation01A - Beitrag in wissenschaftlicher Zeitschrift1570-1590