000 00315nam a2200121Ia 4500
008 220405s2011 xx 000 0 und d
041 _aeng
082 _a153.1
100 _aDudley, Geoffrey
_9289732
245 _aDouble your learning power
260 _a New Delhi
_b Three Ess Publication
_c2011
300 _a207p
999 _c259226
_d259226