1. Air Quality and Health Impacts of Greenhouse Gas Emissions and Global Warming [Internet];American lung Association of California,2004
2. The end of Egypt population growth in the 21st century: challenges and aspirations;Awad,2005
3. The full cost of landfill disposal in Australia;BDA Group Economics and Environment,2009
4. A system dynamics approach for hospital waste management;Chaerul;Waste Management,2008
5. Thoughts on reconstruction of financial control system in Chinese listed companies in perspective of systems theory;Cheng;International Journal of Business Administration: Sciedu Press,2012