TY  - BOOK
AU  - Gagne,Robert Mills
AU  - Briggs,Leslie J.
AU  - Wager,Walter W.
ED  - Wadsworth/Thomson Learning
TI  - Principles of instructional design
SN  - 0030347572
U1  - 371.3 23
PY  - 1992///.
CY  - Belmond: 
PB  - Wadsworth / Thomson, 
KW  - Instructional systems
KW  - Design
KW  - Learning
N1  - Includes bibliographical references and indexes
ER  -