6Novak JD Canas AJ. The theory underlying concept maps and how to construct them[R]. E2006 -01 - 12]. http://cmap ihmc. us/Pub- lication/Research Papers/Theoryunerlyintg ConeeptMaps. pelf.
7Novak JD. Learning,creating and using knowledge:Concept maps as facilitative tools in schools and corporations[M]. Hillsdale N]:Lawrence Erlbaum Associates, 1998 = 1.
8Lee RMKW, Kwan CY. Overview: PBL, what is it? The use of problem - based learning in medical education[J]. Retrieved Feb- ruary, 2004,11.
9Daley B. Facilitating learning with adult students through concept mapping[J]. The Journal of Continuing Higher Education, 2002,50 (1):21 -31.
10Laura HC. Concept mapping= An effective,active teaching- learn- ing method[J]. Nursing Education Perspectives,2006,27(4) : 197 - 203.
