First impressions of a farm [Louisiana elementary school students].
1977
Warren G.
书目信息
Soil Conservation
卷
42
页码
v.22-23(7)
语言
英语
类型
Journal Article; Journal Part
来源
Soil-Conservation (USA). (Feb 1977). v. 42(7) p. 22-23.
团体作者
U.S. Soil Conservation Service.
2012-11-15
AGRIS AP
