| 000 | 00363 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aCollings, M.L. | |
| 245 | 1 | _aExtension supervision Part II- Criteria and performance | |
| 260 |
_aWashington _c1959 |
||
| 300 | _a1-15 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aUnited States Depatment of Agriculture, Federal Extension service. Circular No. 523 | ||
| 901 | _aS15665 | ||
| 999 |
_c105209 _d105209 |
||