TY  - BOOK
AU  - Hall,Gene E.
AU  - Dirksen,Debra J.
AU  - George,Archie A.
TI  - Measuring implementation in schools: levels of use 
PY  - 2008///
CY  - Austin, Texas
PB  - Southwest Educational Development Laboratory (SEDL)
KW  - Educational innovations
KW  - Educational change
KW  - School improvement programs
KW  - Educational surveys
N1  - 2nd printing with minor additions and  corrections; References : p. 45-52
ER  -