Título/Resp.:	The challenge of ecotourism : application and prospects for implementation in the countries of central and eastern Europe and Russia / Zbigniev Karpovicz
Autor(es):	Karpovicz, Zbigniev
Publicação:	[S.l.: s.n.]
IN:	"Revue de Tourisme", St. Gallen, 48e année (3) 1993, p. 28-40; RE-259
Assunto(s):	Europa Oriental; Ecoturismo