Moving the frontier : the story of the Sarhad provincial conservation strategy
2002
Halle, Mark |
Halle, Mark
Trade, aid and security : elements of a positive paradigm. A working paper
2002
Halle, Mark |
Switzer, Jason |
Winkler, Sebastian |
Conserving the peace : resources, livelihoods and security
2002
Matthew, Richard |
Halle, Mark |
Switzer, Jason |
Comercio y medio ambiente : hacia una verdadera agenda centroamericana. Memoria del Foro regional sobre comercio y medio ambiente
1999
Hernández, Gabriela |
Méndez, Huberth |
Halle, Mark |
Lahmann, Enrique J. |
Salas, Alberto |
A national conservation strategy for Pakistan : first steps
1984
Halle, Mark |
Johnson, Brian |
Vers une stratégie nationale ivoirienne de la conservation : rapport d'une mission UICN en Côte d'Ivoire, 19-30 juin 1983
1983
Halle, Mark |
Sournia, Gérard |