Columbia subject headings:
Free trade--Latin America--Congresses.
International business enterprises--Latin America--Congresses.
Latin America--Foreign economic relations--Congresses.
Petroleum industry and trade--Bolivia--Congresses.
Petroleum industry and trade--Government ownership--Bolivia--Congresses.
Petroleum industry and trade--Government policy--Latin America--Congresses.
Petroleum industry and trade--Latin America--Congresses.
Repsol YPF (Firm)--Congresses.
Harvard subject headings:
Corporations, European--Latin America--Congresses.
Free trade--Latin America--Congresses.
International business enterprises--Latin America--Congresses.
Latin America--Foreign economic relations--Congresses.
Petroleum industry and trade--Bolivia--Congresses.
Petroleum industry and trade--Government ownership--Bolivia--Congresses.
Petroleum industry and trade--Government policy--Latin America--Congresses.
Petroleum industry and trade--Latin America--Congresses.
Repsol YPF (Firm)--Congresses.
Princeton subject headings: