000 00496nam a22001457a 4500
003 OSt
008 250723b |||||||| |||| 00| 0 eng d
082 _a333.91317
_bP91E
100 _aPoiba Ravi Prasad
245 _aAn Economic Analysis of Ground Water Extraction and Water Use Efficiency of Rice and Maize Cropping System in Andhra Pradesh and Bihar: A Comparative Study
260 _aPusa
_bDeptt. of Agril.Economics
_c2024
300 _a269p
502 _bPh.D.(Agril.Econo.)
942 _cT
_2ddc
999 _c48529
_d48529