?url_ver=Z39.88-2004&rft_id=10.1109%2FICITCS.2015.7293027&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Ahmad&rft.au=Ahmad%2C+M.&rft.aufirst=M.&rft.isbn=9781467365376&rft.title=Towards+an+effective+modelling+and+development+of+educational+games+with+subject-matter%3A+A+multi-domain+framework&rft.date=2015&rft.genre=proceeding