000 | 00370 a2200145 4500 | ||
---|---|---|---|
082 |
_a630.7 _bRES |
||
090 |
_c21699 _d33837 |
||
245 | _aResearch observer | ||
260 |
_aWashinagton _bThe World Bank _c1986 _g1986 |
||
300 |
_a112p. _c25cm |
||
440 | _v1 | ||
650 | _aEducation, research, related topics | ||
650 | _aAgriculture and related technologies | ||
942 | _cL | ||
999 |
_c49150 _d49150 |