000 00270nam a2200109Ia 4500
008 230210s9999 xx 000 0 und d
100 _aSidana, Ashok Kumar
_918836
245 0 _aParyavaran Adhyyan
260 _bShiksha Prakashan
_c2007
300 _a396
942 _cBK
999 _c118205
_d118205