| 000 | 00564nam a2200181Ia 4500 | ||
|---|---|---|---|
| 999 |
_c63703 _d63703 |
||
| 005 | 20220221110558.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a69163 | ||
| 082 |
_a631 _bSRI _223 |
||
| 100 | _aGunawardana, A.M.T. | ||
| 100 | _aWickramasingh, M.L. | ||
| 100 | _aAbeyratne, S. | ||
| 245 |
_aFarmers' knowledge and perception of improved technology / _cA.M.T.Gunawardana, M.L.Wickramasingh, S.Abeyratne |
||
| 260 |
_aColombo _bAgrian research and training institute _c1980 |
||
| 300 | _a83 p. | ||
| 440 | _aResearch study no.34 | ||
| 942 | _cPR | ||