Hackett, Marie G., 1923-. Success in the classroom : An approach to instruction / by Marie G. Hackett. - Rinehart and Winston, New York : Holt, 1971. - 109 pages : illustrations ; 21 cm. Bibliography: page 107-109. ISBN: 0030841844 Subjects--Personal Names: Gagne, Robert Mills, 1916-. Subjects--Topical Terms: Individualized instruction.