Gagne, Robert Mills, 1916- The conditions of learning / Robert M. Gagne. - 3rd ed. - New York : Rinehart and Winston, 1977. - xii, 339 p. : ill. ; 25 cm. Includes bibliography and indexes. Open access. ISBN: 0030899656 LCCN: 7645797 Subjects--Topical Terms: Learning.