TY - RPRT TI - Differing roles of the tutor in problem-based learning: the Queensland experience. AU - L J Walsh AU - G J Seymour AU - A S Forrest AU - S E Aldred AU - M J Aldred PY - 1998 UR - https://pubmed.ncbi.nlm.nih.gov/9789485/ ID - 9789485 ER -