TY - BOOK AU - Gagné,Robert M. AU - Briggs,Leslie J. AU - Wager,Walter W. TI - Principles of instructional design SN - 0030347572 AV - LB1028.38 .G34 1992 U1 - 371.3 GAG 20 PY - 1992/// CY - Fort Worth PB - Harcourt Brace Jovanovich College Publishers KW - Instructional systems KW - Design KW - Learning N1 - Includes bibliographical references and indexes UR - http://www.loc.gov/catdir/enhancements/fy1515/91027787-b.html UR - http://www.loc.gov/catdir/enhancements/fy1515/91027787-d.html ER -