00450nam a22001337a 4500008004100000020001500041082002800056100002400084245008500108260005300193300001600246650003300262700002100295140311b        xxu||||| |||| 00| 0 eng d  a971080359X  aFil. 515.15 T636bc1984  aTorres, Herminia D.  aCalculus and analytic geometry : for business & economics /cHerminia D. Torres,  aMandaluyong City :bNational Book Store,cc1984.  ax, 410 p. :  xCalculusxGeometry, analytic  aGavino A. Vallar