000 00275nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aAggarwal, R.S
245 0 _aQuantitative aptitude
260 _aS. Chand & company Ltd.
_c2006
300 _b0
650 _aMaterial Science
999 _c137323
_d137323