TY  - BOOK
AU  - Isaac,Stephen
AU  - Michael,William B.
TI  - Handbook in research and evaluation: a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences 
SN  - 0912736259
PY  - 1981///
CY  - San Diego, CA
PB  - EDITS
KW  - Evaluation research (Social action programs)
ER  -