TY  - BOOK
TI  - Standards for evaluations of educational programs, projects and materials / 
SN  - 0070327254 (pbk) : 
U1  - 379/.1518 
PY  - 1981///
CY  - New York ;  : , London
PB  - McGraw-Hill
KW  - Educational tests and measurements
KW  - United States
KW  - Educational evaluation
N1  - Includes index
ER  -