000 | 00446 a2200157 4500 | ||
---|---|---|---|
080 |
_a63(071.7)(54) _bI 39 E |
||
245 | 1 | _aEffective and purposeful demonstrations | |
260 |
_aNew Delhi _c1961 |
||
650 | _aAgricultural Extension | ||
700 | _aIndia, Ministry of Food and Agriculture | ||
700 | _aDirectorate of Extension | ||
700 | _aMinistry of Community Development and Cooperation | ||
100 |
_a _d |
||
300 | _a24 p. | ||
901 | _a85755 | ||
999 |
_c41217 _d41217 |