Economic analysis of African locust/grasshopper control. 3. Analysis of the 1987 grasshopper campaign in Chad
Bok Engelsk 1989
Utgitt | Corvallis, Or. : Oregon State University , 1989
|
---|---|
Omfang | 56 s.
|
Utgitt | Corvallis, Or. : Oregon State University , 1989
|
---|---|
Omfang | 56 s.
|