TY  - BOOK
AU  - KLEIN, M. Frances
TI  - About Learning Materials
SN  - 0-87120-087-2
AV  - LB 1043. K553
PY  - 1978///
CY  - Washington
PB  - Associationa for Supervision and Carriculum Development
N1  - Includes Bibliographical References
ER  -