| ISBN: | 0821316737 |
|---|---|
| 编目源: | DLC DLC DLC |
| 地理区域代码: | d------ |
| 题名: | Agricultural extension : the next step / Agriculture and Rural Development Department. |
| 索书号: | F312.1/W927E |
| 出版发行项: | Washington, D.C. : World Bank, c1990. |
| 载体形态: | vii, 47 p. ; 27 cm. |
| 书目附注: | Includes bibliographical references (p. 41-47). |