00437nam a22001217a 4500008004100000020001500041082002800056100003500084245008500119260005700204300001800261650003600279140530b        xxu||||| |||| 00| 0 eng d  a9713011872  aFil. 515.33 D568bc2001  aDela Fuente, Ruben A...[etal].  aDifferential calculus - made easy (Si version)/cRuben A. Dela Fuente...[etal.].  aManila:bMerriam and Webster Bookstore Inc.,cc2001.  a364p. :bill.  xCalculusxDifferential calculus