Columbia subject headings:
Business enterprises--Taxation--Law and legislation--Bulgaria.
Corporations--Taxation--Law and legislation--Bulgaria.
Excise tax--Law and legislation--Bulgaria.
Income tax--Law and legislation--Bulgaria.
Local taxation--Law and legislation--Bulgaria.
Taxation--Law and legislation--Bulgaria.
Value-added tax--Law and legislation--Bulgaria.
Harvard subject headings:
Business enterprises--Taxation--Law and legislation--Bulgaria.
Corporations--Taxation--Law and legislation--Bulgaria.
Excise tax--Law and legislation--Bulgaria.
Income tax--Law and legislation--Bulgaria
Local taxation--Law and legislation--Bulgaria.
Taxation--Law and legislation--Bulgaria
Value-added tax--Law and legislation--Bulgaria.
Princeton subject headings: