TY - RPRT TI - A case study of teaching presence in virtual problem-based learning groups. AU - Carol S Kamin AU - Patricia O'Sullivan AU - Robin R Deterding AU - Monica Younger AU - Ted Wade PY - 2006 DO - 10.1080/01421590600628241 UR - https://pubmed.ncbi.nlm.nih.gov/16973454/ ID - 16973454 ER -