?url_ver=Z39.88-2004&rft_id=10.1109%2FICCOINS49721.2021.9497179&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M.M.&rft.au=Elaish%2C+M.M.&rft.aulast=Elaish&rft.date=2021&rft.title=A+Proposed+Gamification+Elements+of+Educational+Games&rft.isbn=9781728171517&rft.genre=proceeding