1. Techno-economic assessment of municipal solid waste management in Jordan
2. Abu Samra Y. (2004) Enhancing environmental protection system in resort hotels. Doctorate dissertation, Faculty of Tourism and Hotel Management, Helwan University, p. 17.
3. Taleb Abou M. (2001) A study on waste management programs conducted in the hotel industry. Masters thesis, Faculty of Tourism and Hotel Management, Helwan University, p. 101.
4. Taleb Abou M. (2005) A study on benefits of applying waste recycling programs in the hotel industry. Unpublished doctorate thesis, Faculty of Tourism and Hotel Management, Helwan University, pp. 50–77.
5. An analysis of environmental management, organizational context and performance of Spanish hotels