@misc {IOPORT.70466065,
    author       = {Espinilla, M. and Palomares, I. and Bustince, H.},
    title        = {Design and development of online educational games based on questions},
    howpublished = {CSEDU (2), 484-488 (2010).},
    year         = {2010},
    identifier   = {70466065},
}