7Ainsworth, H. L. , &Eaton, S. E. (2010). Formal, non-formal and informal learning in the sciences [ EB/OL ]. Retrieved on July 1, 2012 from http://www, eatonintl, com/www, eatonintl, corn/Research_ files/Formal,% 20non- formal% 20and% 20informal% 201earning% 20in% 20the% 20sciences. pdf.
8Banks, J. A. , Au, K. H. , Ball, A. B. , Bell, P. , Gordon, E. W. , Gutierrez, K. D. , Heath, S. B. , Lee, C. D. , Lee, Y. S. , Mahiri, J. , Nasir, N. S. ,Valdes,G. ,& Zhou,M. (2007). Learning in and out of school in diverse environments[ EB/OL]. Retrieved on August 13,2012 from ht- tp ://life-sic. org/docs/Banks_etaI-LIFE-Diversity-Report, pdf.
9Biggs, J. ( 2003 ). Teaching for quality learning at university ( 2nd ed, ) [ M ]. London : The Society for Research into Higher Education and Open University Press:73.
10Bransford, J. D. , Brown, A. L. , & Cocking, R. R. ( 2000 ). How people learn-Brain, mind, experience, and school [ R ]. Washington, D. C : National Academy Press :50,18,50.
