By Cha C.S.   Chen J.   Liu P.F.   Favela J.   Torres J.   in Expert Systems with Applications

ISSN:0957-4174|14|1|211-218

Elsevier‎(1998)‎

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By Contreras-Castillo J.   Favela J.   Perez-Fragoso C.   Santamaria-del-Angel E.   in Computers and Education

ISSN:0360-1315|42|2|149-168

Elsevier‎(2004)‎

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