TY  - BOOK
AU  - Guevara Niebla,Gilberto
TI  - La Catástrofe silenciosa
SN  - 9681639332
AV  - LC65  C367c
U1  - 370 
PY  - 1992///
CY  - México
PB  - Fondo de Cultura Económica
KW  - Education
KW  - Mexico
KW  - School management and organization
KW  - Education and state
ER  -