000 00351nam a2200145Ia 4500
040 _cPK-LaCSN
082 _a001.642
_bPUN
100 _aBaig, Mirza Mubbasher
245 0 _aComputer science 11
260 _c2013
_bPunjab Text Book Board
_aLahore
300 _a163
942 _cTB
999 _c857294
_d857271