Ahmadi, F., Sadeghi, A. R. and Eskandarinezhad, A. R. (2016) “Ecological Quality Improvement of Urban Landscapes with Emphasis on Sustainable Development Principles Case Study: River of Darabad Valley, Tehran, Iran”, European Journal of Sustainable Development, 5(3), p. 91. doi: 10.14207/ejsd.2016.v5n3p91.