Columbia subject headings:
Factory and trade waste--Africa, Eastern.
Factory and trade waste--Africa, Southern.
Waste minimization--Africa, Eastern.
Waste minimization--Africa, Southern.
Waste products--Africa, Eastern.
Waste products--Africa, Southern.
Harvard subject headings:
Factory and trade waste--Africa, East--Management--Case studies.
Factory and trade waste--Africa, Southern--Management--Case studies.
Refuse and refuse disposal--Africa, East--Case studies.
Refuse and refuse disposal--Africa, Southern--Case studies.
Princeton subject headings:
Case studies.
Factory and trade waste--Africa, East--Management--Case studies.
Factory and trade waste--Africa, Southern--Management--Case studies.
Refuse and refuse disposal--Africa, East--Case studies.
Refuse and refuse disposal--Africa, Southern--Case studies.