Zachowanie Walorów Przyrodniczych a Pojemnosc turystyczna Gorskich parkow narodowych w Polsce Author(s) Zabierowski, Kazimierz
Managing tourism in natural World Heritage sites : report of the International Workshop held in Dakar, Senegal, 22-26 November 1993
Informe del taller internacional sobre politicas de turismo en parque nacionales y otras areas protegidas
Tourism and the environment : regional, economic and policy issues Author(s) Briassoulis, Helen Straaten, Jan van der
Plan and policy for a system of national parks and protected areas Author(s) Huber, Richard Vincent, George MacFarland, Craig Meganck, Richard Albert
Propositions d'aménagements touristiques et de conservation du milieu naturel du parc national de Taï
