000 00415nam a2200169Ia 4500
020 _a8187495219
082 _a005.437 SHA
100 _aSHARMA, SUNIL
245 _aGraphical user interface
260 _bAmexcel publishers
_aNew Delhi
_c2000
300 _a330
500 _aOperating systems
650 _a interface
650 _a user
650 _aGraphical
008 141226s2000 xxu||||| |||| 00| 0 eng d
999 _c25548
_d25548