000 | 004150000a22001570004500 | ||
---|---|---|---|
060 | _a100 | ||
082 | _a633.085 HIG | ||
100 | _aChattopadhyay, N C | ||
100 | _aDas Gupta, D K | ||
245 | _aHigher productivity in agriculture : proceedings | ||
260 | _aNew Delhi, Oxford & IBH publishing co. pvt. ltd | ||
260 | _c1980 | ||
300 | _a178 | ||
650 | _aAgriculture- Productivity - congresses | ||
942 | _cBK | ||
999 |
_c356787 _d356787 |