Columbia subject headings:
Environmental law--Ecuador.
PETROECUADOR (Organization)
Parque Nacional Yasuní (Ecuador)
Petroleum industry and trade--Environmental aspects--Ecuador--Parque Nacional Yasuní.
Harvard subject headings:
Parque Nacional Yasuní (Ecuador)
Petroleum law and legislation--Ecuador.
Petroleum--Prospecting--Ecuador.
Princeton subject headings:
Nature conservation--Law and legislation--Ecuador.
Parque Nacional Yasuní (Ecuador)
Petroleum law and legislation--Ecuador.
Petroleum--Prospecting--Ecuador.