00000cam a22000001a 4500 UP-1685675941123792146 Buklod 20071009081054.0 a r |||| u| ta 780217s1978 maua r |001 0|eng d 087150247X (iLib)UPTAC-00000008953 UPVTC eng QA 248 P39 1978 Peterson, John M. Basic concepts of elementary mathematics John M. Peterson. 3d ed. Boston Prindle, Weber & Schmidt c1978. 501 p. Arithmetic Foundations. Mathematics. FO UPTAC UPTAC QA 248 P39 1978 Book