TY  - BOOK
AU  - Hoepfner,Ralph
AU  - Zagorski,H.J.
AU  - Wellisch,Jean B.
ED  - United States.
TI  - The sample for the Sustaining Effects Study and projections of its characteristics to the national population
U1  - 372.973 23
PY  - 1977///
CY  - Santa Monica
PB  - System develop. corp
KW  - Education, Elementary
KW  - United States
KW  - Evaluation
KW  - Education
KW  - Research
KW  - Methodology
N1  - Technicial report #1 from the study of the sustaining effects of compensatory education on basic skills
ER  -