000 00348nam a2200145Ia 4500
020 _a0000000000000
082 _bT6
_a001.642
100 _a"Memon ,Amir Aziz"
245 0 _aPractical journal of computer science for class IX
260 _c2016
300 _a50
944 _cTB
999 _c529375
_d529375