6HWANG G J, WU P H. Advancements and trends in digital game- based learning research:a review of publications in selected journals from 2001 to 2010 [J]. British Journal of Educational Technology, 2012, 43 (1):E6-E10.
7STEFANS, RICHARD T, TONY G. Solutians in global software engi- neering:a systematic literature review [J]. International Journal of information, 2012, 33 (1):119-132.
8DONDLINGER J M. educational video game design:a review of the literature [J]. Journal of Applied Educational Technology, 2007, 4 (1):21-31.
9Jiang, Y B and E Katsamakas. Impact of E-Book Technology:Own- ership and Market Asymmetries in Digital Transformation [J]. Elec- tronic Commerce Research and Applications, 2010, 9 (5):386- 399.
10MeCabe, M J and C M Snyder. Academic Journal Prices in a Digital Age:A Two-Sided Market Model [J]. Journal of Economic Analysis &Policy, 2007, 7 (1):231-245.