The committed to green handbook for golf courses / European Golf Association Ecology Unit
COTA(S): 9817
Le manuel engagement nature pour les terrains de golf / European Golf Association Ecology Unit
COTA(S): 9817.A
Metodologia da avaliação ex-ante de projectos turísticos com impactes ambientais : relatório final 2001 e manual do utilizador / João Albino Silva, Fernando Perna, Maria João Custódio, Célia Ramos
COTA(S): 8072.05
Sustainable development of ecotourism : a compilation of good practices / World Tourism Organization
COTA(S): 8602