By Caballero R.   Galache T.   Gomez T.   Molina J.   Torrico A.   in European Journal of Operational Research

ISSN:0377-2217|133|2|298-309

Elsevier‎(2001)‎

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By Caballero R.   Galache T.   Gomez T.   Molina J.   Torrico A.   in Economics of Education Review

ISSN:0272-7757|23|1|67-74

Elsevier‎(2004)‎

Access to resources Favorite 7.6710196