TY - BOOK AU - Gagne,Robert Mills AU - Briggs,Leslie J. TI - Principles of instructional design SN - 0030408067 AV - LB1051 .G196 1974 U1 - 371.3 PY - 1974/// CY - New York PB - Holt, Rinehart, and Winston KW - Learning, Psychology of KW - Local KW - Lesson planning N1 - Includes bibliographies and indexes ER -