Columbia subject headings:
Industries--Africa, Southern--Case studies.
Technological innovations--Economic aspects--Africa, Southern--Case studies.
Harvard subject headings:
Industries--Africa, Southern--Case studies.
Technological innovations--Economic aspects--Africa, Southern--Case studies.
Princeton subject headings:
Industries--Africa, Sub-Saharan--Case studies.
Technological innovations--Africa, Sub-Saharan--Management--Case studies.
Technological innovations--Economic aspects--Africa, Sub-Saharan--Case studies.