TY  - BOOK
AU  - Levine, David M
ED  - National Conference on Performance Contracting in Education
TI  - Performance contracting in education: an appraisal : toward a balanced perspective 
SN  - 0-87778-046-3
AV  - LB 2806.2 N37
PY  - 1972///
CY  - Englewood Cliffs, N.J.
PB  - Educational Technology
KW  - Contratos en educación
N1  - Incluye apéndice
ER  -