BELLES, R.C. Learning Theory/ by Robert C. Belles.- - 2nd ed.- - U.S.A: Holt, Rinehart and Winston, C1979. - v, 250p.: 23cm. Includes bibliography and Index ISBN: 0030193060 Source: B-7880 Subjects--Topical Terms: Learning-Pschology--Textbook LC Class. No.: LB1051.B64