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Submitted on: 30 March 2013.
Revised on: 10 May 2013.
Accepted on: 08 June 2013.
___________________Journal of Environmental Engineering and Landscape Management
Submitted on: 17 November 2015.
Revised on: 29 December 2015.
Accepted on: 17 January 2016.
___________________Journal of Environmental Engineering and Landscape Management