Tourism, protected areas and communities : case studies and lessons learned from the Parks in Peril program 2002-2007
2007
Communities
Towards sustainable development for local authorities : approches, experiences and sources
1997
Mehra, Malini |
Jorgensen, Anne-Mette |
Comitato parchi : un lustro d'attività
1982
Tassi, Franco |
Understanding and influencing behaviors : a guide
2000
Byers, Bruce Arden |