| 000 | 00423 a2200121 4500 | ||
|---|---|---|---|
| 080 |
_a631.583:631.557 _bB 58 S |
||
| 245 | 1 |
_aStudy of the social and economic implications of the large-scale introduction of high-yielding varieties of food-grain _ba selection of readings _cby A. Barreto |
|
| 260 |
_aGeneva _bUNRISO _c1971 |
||
| 650 | _aHigh-Yielding Varieties | ||
| 100 | 1 |
_aBarreto, A. _d |
|
| 300 | _a173 p. | ||
| 901 | _a119409 | ||
| 999 |
_c81800 _d81800 |
||