5Williams A., Williams P.J. The effects of the use of learning contracts on student performance in technology teacher training. Research in Science & Technological Education,Vol.17,No.2,1999.
6Margaret C. Lohman, Nicolas H. Woolf.Self -Initiated Learning Activities of Experienced Public School Teachers: methods,sources, and relevant organizational influences[J] .Teachers and Teaching: theory and practice,Vol. 7, No. 1,2001.
7Chan SW, Chien WT. Implementing contract learning in a clinical context:Report on a study[J] .J Adv Nurs, 2000,31(2):298- 305.
8Chien WT, Chan SWC, Morrissey J. The use of learning contracts in mental health nursing clinical placement:An action research [ J ]. Int J Nurs Stud, 2002, 39(7) :685- 694.
9Knowles MS. On using learning contract [ M ]. San Franciso: Jossey Bass, 1986:45 - 200.