TY  - BOOK
AU  - Joint Committee on Standards for Educational Evaluation
TI  - Standards for evaluations of educational programs, projects and materials: Developed by the Joint Committee on Standards for Educational Evaluation
SN  - 0 07 032725 4
U1  - 371.26 
PY  - 1981///
CY  - New York
PB  - McGraw Hill
ER  -