\input zb-basic
\input zb-ioport
\iteman{io-port 50065005}
\itemau{Guill\'en-Nieto, Victoria; Aleson-Carbonell, Marian}
\itemti{Serious games and learning effectiveness: the case of it's a deal!}
\itemso{Computers & Education 58, No. 1, 435-448 (2012).}
\itemcc{}
\itemut{}
\itemli{doi:10.1016/j.compedu.2011.07.015}
\end