000 00281nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aGupta R
245 0 _aNumerical Ability
260 _bRamesh Publishing House
_c1985
300 _a114p
650 _aMathematics
942 _cREF
999 _c35798
_d35798