1. SWOT analysis of the Wildlife Park of Medan, Indonesia;Amanah;International Journal of Economics, Commerce and Management,2015
2. Statistical yearbook of Bangladesh;BBS,2015
3. Geosites and touristic development of the Northwestern tabular middle atlas of Morocco;El Wartiti,2009
4. Geotourism and geoparks as novel strategies for socio-economic development in rural areas;Farsani;International Journal of Tourism Research,2011
5. Tourism in poor rural areas: Diversifying the product and expanding the benefits in rural Uganda and the Czech Republic;Holland,2003