000 00334nam a2200133Ia 4500
008 160930s9999 xx 000 0 und d
020 _a9788184573916
100 _aPathak,R.P.
245 _aShaikshik Prodhogiki avm Kriyatmak Anusandhan
250 _a1st
260 _aNew Delhi
_bKanishak
_c2012
300 _a228p.;22cm
942 _cBK
999 _c6156
_d6156