Columbia subject headings:
Computers--Law and legislation--Peru--Congresses.
Electronic commerce--Law and legislation--Congresses.
Internet--Law and legislation--Congresses.
Harvard subject headings:
Computers--Law and legislation--Congresses.
Computers--Law and legislation--Peru--Congresses.
Electronic commerce--Law and legislation--Congresses.
Electronic commerce--Law and legislation--Peru--Congresses.
Princeton subject headings: