000 00276nam a22001217a 4500
020 _a9789351247944
082 _a630.5 SIN
100 _aSingh, B B
245 _aAgriculture for competitive examinations
260 _aNew delhi
_bAstral
_c2018
300 _a400
942 _cBK
999 _c370540
_d370540