TY  - BOOK
AU  - Alexander,William M.
AU  - George,Paul S.
TI  - The exemplary middle school
SN  - 0-03-052301-x
AV  - LB1623 A43
PY  - 1981///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Educación media superior
ER  -