Columbia subject headings:
Agricultural innovations--Africa, East.
Agricultural innovations--Political aspects--Africa, East.
Agriculture--Technology transfer--Africa, East.
Agriculture--Technology transfer--Political aspects--Africa, East.
Corn--Africa, East.
Corn--Political aspects--Africa, East.
Farm mechanization--Africa, East.
Farm mechanization--Political aspects--Africa, East.
Harvard subject headings:
Agricultural innovations--Africa, East.
Agricultural innovations--Political aspects--Africa, East.
Agriculture--Technology transfer--Africa, East.
Agriculture--Technology transfer--Political aspects--Africa, East.
Corn--Africa, East.
Corn--Political aspects--Africa, East.
Farm mechanization--Africa, East.
Farm mechanization--Political aspects--Africa, East.
Princeton subject headings:
Agricultural innovations--Africa, East.
Agricultural innovations--Political aspects--Africa, East.
Agriculture--Africa, East--Technology transfer.
Agriculture--Technology transfer--Political aspects--Africa, East.
Corn--Africa, East.
Corn--Political aspects--Africa, East.
Farm mechanization--Africa, East.
Farm mechanization--Political aspects--Africa, East.