5Aboshady OA, Radwan AE, Eltaweel AR, et al. Perception and use of massive openonline courses among medical students in a developing country : muhicentre cross-sectional study [ J ]. BMJ Open, 2015,5 ( 1 ) : e006804, doi : 10.1136/bmjopen - 2014 - 006804.
6Gooding I, Klaas B, Yager JD, et al. Massive open online courses in pub- lic health[J]. Front Public Health,2013 ( 1 ) :59. doi: 10. 3389/fpubh. 2013. 00059.
7Hoy MB. MOOCs 101 :an introduction to nmssive open online courses [ J ]. Med Ref Serv Q, 2014,33 ( 1 ) :85 - 91. doi: I0. 1080/02763869. 2014.866490.
8Liyanagunawardena TR, Williams SA. Massive open online courses on health and medicine: review [ J]. J Med lnternet Res, 2014,16 ( 8 ) : el91. doi : 10.2196/jmir. 3439.
9The New York Times (2012). The Year of the MOOC [ EB/OL]. [ 2012 - 12 -05 ]. http ://www. ny times, com/2012/11/04/ Education/Edlife/massive - open - online - courses - are - multiplying - at - a - rapid - pace. html.