TY  - BOOK
AU  - Cooley, William W.
TI  - The difficulty of the educational task : Implications for comparing student achievement in states, school districts and schools
KW  - EDUCACION COMPARADA
KW  - MARCADORES
KW  - POLITICA EDUCATIVA
KW  - REFORMA FINANCIERA
KW  - RENDIMIENTO ACADEMICO
N1  - Diciembre 1993
ER  -