"Iran" . . "Umweltbelastung" . . . . "Meinung" . . "Tourismus" . . "Sozialer Wandel" . . . . . . . . . . . . "Modeling the socioeconomic and environmental impacts of nature-based tourism to the host communities and their support for tourism perceptions of local population, Mazandaran, north of Iran" . . "Einstellung" . .