6Johnson E, Herd S, Tisdall J, et al. Encouraging generic skills in science courses [ J ]. Electronic J Biotech, 2002,5 (2) :22 - 23.
7Robert C, David N. A handbook for teachers in universities and colleges: A guide to improving teaching methods[ M]. 4th ed. London: Kogan Page, 2002,234.
8Sivan A, Wong LR, Woon C, et al An implementation of active learning its effect on the quality of student learning [ J]. Innnovat Educ Train Intern,2000,37(4) :381 -389.
9Kim S,ee MS,hn DS.Curriculum design for Problem-based learning on a volunteer basis:a Yonsei approach.Yonsei Med J,2002,43(2):139-144.
10Newman MJ.Problem-based learning:an introduction and overview of the key features of the approach.J Vet Med Educ,2005,32(1):12-20.
