000 00322nam a22001337a 4500
008 190129b xxu||||| |||| 00| 0 eng d
082 _a910.7 KOS
100 _aKosik, S.D
_99123
245 _aSansadhan Bhugaol
260 _aMeerut
_bRastogi Pub
_c2018
300 _a577p
600 _aEducation
_968
942 _2ddc
_cBK
_071
999 _c25187
_d25187