7Williams 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.
8Margaret 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.
9Knowles MS. Self - directed Learning: Aguild for learning and leachers. Toronto: The Adult Education Company, 1975:135 - 148.
10Education Commission of the States (ECS): In pursuit of quality teaching: five key strategies for policymakers, denver, ECS, 2000
