?url_ver=Z39.88-2004&rft_id=10.1109%2FWICT.2014.7077313&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Aziz&rft.au=Aziz%2C+N.S.A.&rft.aufirst=N.S.A.&rft.isbn=9781479981151&rft.date=2014&rft.title=User+experience+study+on+mobile+numerical+application+for+children+with+mental+disabilities&rft.genre=proceeding