1. Ahmed Z, Akhtar G, Ashraf A (2006) Hydrological analysis of Islamabad watershed area. Islamabad Journal of Science 15(1): 80–97.
2. Ali L (2002) Rainwater Harvesting in Urban Areas. The Corps of Engineers Journal, Risalpur, Pakistan. p 52.
3. Amjad M, Khan N, Shah H (1996) Report on Forestry statistics of Pakistan. Pakistan Forest Institute, Peshawar, Pakistan.
4. Arfan M (2008) Spatio-temporal modeling of urbanization and its effects on peri-urban land use system. M.Sc Thesis. Department of Plant Sciences. Quaid-e-Azam University, Islamabad, Pakistan.
5. Ashraf A (2013) Changing Hydrology of the Himalayan Watershed. In: Bradley P (ed.), Current Perspectives in Contaminant Hydrology and Water Resources Sustainability, ISBN: 978-953-51-1046-0, InTech. DOI: 10.5772/54492