000 00314nam a2200145Ia 4500
020 _a0000000000
082 _bT-574
_a510
100 _a"Dr Karamat Dar"
245 0 _aMathematics 9
260 _aPakistan
_c2023
300 _a302
944 _cTB
999 _c77366
_d77366