TY - RPRT TI - Complex interactions between tutor performance, tutorial group productivity and the effectiveness of PBL units as perceived by students. AU - Diana H J M Dolmans AU - Ineke H A P Wolfhagen PY - 2005 DO - 10.1007/s10459-005-0665-5 UR - https://pubmed.ncbi.nlm.nih.gov/16193404/ ID - 16193404 ER -