TY  - BOOK
AU  - Mager, Robert F.
TI  - Preparing instructional objectives/ 
SN  - 082245601
AV  - HD7255 . M26 1975  
PY  - 1975///.
CY  - California
PB  - Fearon publisher, 
KW  - instructional objectives
N1  - includes index
ER  -