00334nam a2200121Ia 4500008004100000040001700041041001200058082001600070100002200086245004900108260004400157300001100201230917s9999||||xx |||||||||||||| ||und||  e127659aMAIN  aEnglish  a004.64 G41E  aGill, Nasib Singh 0aEssential of computer and network technology  aNew DelhibKhanna Book Publishingc2000  a340 p.