Gagné, Robert Mills, 1916- Essentials of learning for instruction / Robert M. Gagné, Marcy Perkins Driscoll. - 2nd ed. - Englewood Cliffs, N.J. : Prentice Hall, 1988. - vi, 184 p. : ill. ; 23 cm. Includes indexes. Bibliogr.: p. 175-180. ISBN: 0132862530 Subjects--Topical Terms: Learning, Psychology of.Learning.Teaching.