TY  - BOOK
AU  - Isaac,Stephen
AU  - Michael,William Burton
ED  - Educational and Industrial Testing Services.
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 behavioralsciences 
SN  - 0-912736-32-1
AV  - BF76.5 I83 1995
PY  - 1995///
CY  - San Diego, Calif.
PB  - Edits
N1  - Incluye bibliografia
ER  -