?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Gunawan&rft.au=Gunawan+Suryoputro%2C+Gunawan&rft.aulast=Gunawan+Suryoputro&rft.date=12+November+2013&rft.btitle=Proceedings+of+the+21st+International+Conference+on+Computers+in+Education+2013&rft.isbn=978-602-8040-72-3&rft.title=Single-Correct+Answer+(SCA)+and+Multiple-Correct+Answer+(MCA)+in+Multiple-Choice+Computer+Assisted+Language+Testing+(CALT)+Program&rft.genre=bookitem