Columbia subject headings:
Organized crime--Africa--Prevention.
Organized crime--Nigeria--Prevention.
Transnational crime--Africa--Prevention.
Transnational crime--Nigeria--Prevention.
Harvard subject headings:
Organized crime--Africa--Prevention.
Organized crime--Nigeria--Prevention.
Transnational crime--Africa--Prevention.
Transnational crime--Nigeria--Prevention.
Princeton subject headings:
Organized crime--Africa--Prevention.
Organized crime--Nigeria--Prevention.
Transnational crime--Africa--Prevention.
Transnational crime--Nigeria--Prevention.