(2013). . , 7(4), 973-978. doi: 10.22059/ijer.2013.680
. "". , 7, 4, 2013, 973-978. doi: 10.22059/ijer.2013.680
(2013). '', , 7(4), pp. 973-978. doi: 10.22059/ijer.2013.680
. , 2013; 7(4): 973-978. doi: 10.22059/ijer.2013.680

International Journal of Environmental Research
Article 18, Volume 7, Issue 4, January 0, Pages 973-978    PDF (321.41 K)
DOI: 10.22059/ijer.2013.680
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