9Cullen K W, Watson K, Zakeri I. Relative reliability and validity of the block kids questionnaire among youth aged 10 to 17 years[J]. Journal of the American Dietetic Association, 2008, 108 (5): 862-866.
10Lalkaka R, Bishop J. Business incubator in economic development: An initial assessment in industrializing countries [M]. New York: UNDP, 1996.
