1. Abdel Aal, S. M., & Abdel Motaleb, A. F. (2014). Recycling agricultural waste: Developing knowledge and skills of farmers in Sharkeia Governorate, Partnership in Development Research.
2. Abdel Wahed, M. S. M., Mohamed, E. A., Wolkersdorfer, C., El-Sayed, M. I., M’nif, A., & Sillanpaa, M. (2015). Assessment of water quality in surface waters of the fayoum watershed, Egypt. Environmental Earth Sciences. 74 1765–1783.
3. Abdel-Shafy, H. I., & Aly, R. O. (2002). Water issue in Egypt: Resources. Pollution, and Protection Endeavors, CEJOEM, 8(1), 3–21.
4. Abou Hussein, S. D., & Sawan, O. M. (2010). The utilization of agricultural waste as one of the environmental issues in Egypt (a case study). Journal of Applied Sciences Research, 6(8), 1116–1124.
5. Adisa R. S. (2012). Rural development in the twenty-first century as a global necessity. In Rural development—contemporary issues and practices, business, management and economics,
http://www.intechopen.com/articles/show/title/introductory_chapter_rural_development_in_the_twenty_first_century_as_a_global_necessity
. Accessed 14 August 2016.