7O' Donnell,N.& Shaver,L.(1990).The use of role-play to teach communication skills.Paper presented at National Conference on Successful College Teaching (14th,Orlando,FL,March 1-3).
8Deneve,K.& Heppner,M.J.(1997).Role play simulation:The assessment of an active learning technique and comparisons with traditional lectures.Innovative Higher Education,21,(3).
9Pretty et al.Participatory Learning and Action:A Trainer's Guide[M].London,UK:IIED,1995.
