00000cam a22000004a 4500 UP-1685523046125309777 Buklod 20240315091958.0 a r |||| u| ta 240315s1971 xx r |||| u|eng|| 0390932418 (iLib)UPMNL-00000044422 CAMP rda eng BF 121 W43 1971 Whaley, Donald L. Elementary principles of behavior Donald L. Whaley, Richard W. Malott. New York Appleton Century Crofts c1971. ix, 454 pages illustrations 26 cm. Reprinted under authority of Presidential Decree no.285 as amended by P.D. no. 400. Operant behavior. Psychology. Malott, Richard W. FO UPMNL CAMP BF 121 W43 1971 Book