Columbia subject headings:
Computer networks--Law and legislation.
Computers--Law and legislation.
Internet--Law and legislation.
Harvard subject headings:
Building materials industry--Nigeria.
Building materials--Nigeria.
Building, Clay--Nigeria.
Computer networks--Law and legislation
Computers--Law and legislation.
Internet--Law and legislation
Timber--Nigeria.
Princeton subject headings:
Computer networks--Law and legislation.
Computers--Law and legislation.
Internet--Law and legislation.