000 00278nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR K Rovil& B B Tripathi
245 0 _aBhartiya Krishi Aarthshastra
260 _aAllahabad
_bAsia Pub
_c1971
650 _aEconomics
942 _cBK
999 _c1854
_d1854