TY  - BOOK
AU  - Esbensen,Thorwald
TI  - Student contracts
T2  - The Instructional design library
SN  - 0877781214
AV  - LB2806.2 .E83
U1  - 371.1 
PY  - 1978///
CY  - Englewood Cliffs, N.J.
PB  - Educational Technology Publications
KW  - Performance contracts in education
KW  - Local
N1  - Bibliography: p. 49-56
ER  -