000 00252nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aO P Gupta & others
245 0 _aAnkekshan awam sachiviyey padhatti
260 _aNew Delhi
_bR Chand
_c1989
942 _cBK
999 _c6614
_d6614