7Andrews D H & Goodson L A. A comparative analysis of models of instructional design [ J ]. Journal of In- structional development, 1980, (4) : 2-16.
8Atkiss K, Moyer M, Desai M & Roland M. Positive youth development : An integration of the developmental assets theory and the socio-ecological model [ J ]. American Journal of Health Education, 2011, (3) : 171- 180.
9Bronfenbrenner U. The Ecology of Human Development: Experiments by Nature and Design [ M]. Cambridge, MA : Harvard University Press, 1979.
10Bronfenbrenner U. Ecological models of human development [ A ]. In Gauvain M & Cole M ( eds. ). Readings on the Development of Children (2nd Ed. ) [ C]. New York: Freeman, 1993. 37-43.
