000 00280nam a22001217a 4500
020 _a978-93-5124-794-4
082 _a630.5 SIN
100 _aSingh, B B
245 _aAgriculture for competitive examinations
260 _aNew delhi
_bAstral
_c2018
300 _a400
942 _cBK
999 _c227697
_d227697