000 00393nam a2200157Ia 4500
020 _a0000000000000
040 _cPK-LaCSN
082 _a001.642
_bATI
100 _a"Dr. Muhammad Atif Chattha"
245 0 _aComputer Science 9 , Matric
260 _c2024
_bPunjab Textbook Board
_aLahore
300 _a122
942 _cTB
999 _c862857
_d862834