Columbia subject headings:
Business enterprises, Foreign--Niger--History--20th century.
Business enterprises, Foreign--Niger--History--21st century.
Business enterprises--Niger--History--20th century.
Business enterprises--Niger--History--21st century.
Niger--Commerce--History--20th century.
Niger--Commerce--History--21st century.
Harvard subject headings:
Princeton subject headings:
Business enterprises, Foreign--Niger.
Business enterprises--Niger--History--20th century.
Business enterprises--Niger--History--21st century.
Entrepreneurship--Niger.
Informal sector (Economics)--Niger.
Merchants--Niger.
Niger--Commerce--History--20th century.
Niger--Commerce--History--21st century.
Small business--Niger.