Columbia subject headings:
Harvard subject headings:
Environmental policy--Cote d'Ivoire.
Environmental policy--Tanzania
Environmental protection--Cote d'Ivoire.
Environmental protection--Tanzania.
Natural resources--Environmental aspects--Cote d'Ivoire.
Natural resources--Environmental aspects--Tanzania.
Princeton subject headings:
Environmental policy--Côte d'Ivoire.
Environmental protection--Côte d'Ivoire.