TY  - BOOK
AU  - Mager,Robert Frank
TI  - Preparing instructional objectives
SN  - 0-8224-4341-4
AV  - LB1028.5 M29 1984
PY  - 1984///
CY  - Belmont, california
PB  - Pitman management and training
KW  - Enseñanza programada
ER  -