1. Future of agricultural water management in Africa;Valipour;Arch Agron Soil Sci,2015
2. Global Experiences on Wastewater Irrigation: challenges and Prospects In Balanced Urban Development: options and Strategies for Liveable Cities;Valipour,2016
3. Evolution of water lifting devices (pumps) over the centuries worldwide;Yannopoulos;Water,2015
4. Annual Energy Review 2010. Washington DC: US Energy Information Administration, October; 2011. 〈http://www.eia.gov/totalenergy/data/annual/pdf/aer.pdf〉.
5. National Household Travel Survey [Online]. Available: 〈http://nhts.ornl.gov〉.