TY  - BOOK
AU  - Gagne Robert
TI  - The conditions of learning
SN  - 0-03-089965-6
U1  - 370.15 
PY  - 1970///
CY  - New york
PB  - Holt Rinehart and winston
KW  - Learning, Psychology of
KW  - Learning
KW  - Instructional systems
N1  - Includes bibliographical references and index
ER  -