000 00328nam a22001457a 4500
020 _a9780994869104
041 _aENG
100 _aDavid .B.V
245 _aElements of Economic Entomolgy
250 _a8th
260 _aNew Delhi
_bBrillon Publishing
_c2016
300 _a398
650 _aUPSC
856 _uCompetitive exam
999 _c150
_d150