Columbia subject headings:
Harvard subject headings:
Economic development--Environmental aspects--Peru--Supe River Valley.
Environmental policy--Peru--Supe River Valley.
Regional planning--Environmental aspects--Peru--Supe River Valley.
Princeton subject headings:
Economic development--Environmental aspects--Peru--Supe River Valley.
Environmental policy--Peru--Supe River Valley.
Regional planning--Environmental aspects--Peru--Supe River Valley.