00504cam a2200193Ia 4500 0078454506 0078309638 (pbk.) SITPL 823 GLE 2003 A072 Or. Norton, Peter, Peter Norton's essential concepts 5th ed New York : Glencoe/McGraw-Hill, c c2003 xx, 276 p. : ill. (some col.) ; 28 cm Includes index Computers Computer software EK 14952 14952 0 0 0 823_000000000000000_GLE_2003_A072_OR 0 67673 LBA LBA A072 2017-11-01 823 GLE 2003 A072 Or. A19322 2017-11-01 EK