000 00336nam a2200145Ia 4500
020 _a969-533-017-1
082 _bT-333
_a510
100 _a"NA"
245 0 _aUnderstanding Mathematics 1
260 _bFRIEND EDUCATIONAL
_aLahore
_c2000
300 _a112
944 _cTR
999 _c55630
_d55630