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ISSN:0021-891X|33|8|693-701

Springer Publishing Company ‎(2003)‎

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By Gomes-Neto J.B.   Hanushek E.A.   Leite R.H.   Frota-Bezzera R.C.   in Economics of Education Review

ISSN:0272-7757|16|3|271-282

Elsevier‎(1997)‎

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