000 00268nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aSingh, R P
245 0 _aBal Vikas ke Manovaigyanik Adhaar
260 _bAggrawal Publication
_c2012
300 _a352
942 _cBK
999 _c98378
_d98378