Escobar Martínez, Francisco Javier ; Francés Herrera, Isaac ; Bishop, Ian. Proceedings of the 19th Annual Conference of the Australasian Society for Computers in Learning in Tertiary Education (ASCILITE 2002), Auckland (New Zealand) 8-11 December 2002. Auckland: ASCILITE, 2002. p. 203-210.
,
2002