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Wang Ruofan and Nan Zhongren, 2014. Eco-risk Assessment in Arid Areas Based on Geographic Information
Systems-taking Heihe River Basin as a Case. Information Technology Journal, 13: 371-376.
DOI: 10.3923/itj.2014.371.376
URL: https://scialert.net/abstract/?doi=itj.2014.371.376
DOI: 10.3923/itj.2014.371.376
URL: https://scialert.net/abstract/?doi=itj.2014.371.376