(2012). . , 6(1), 139-144. doi: 10.22059/ijer.2011.480
. "". , 6, 1, 2012, 139-144. doi: 10.22059/ijer.2011.480
(2012). '', , 6(1), pp. 139-144. doi: 10.22059/ijer.2011.480
. , 2012; 6(1): 139-144. doi: 10.22059/ijer.2011.480

International Journal of Environmental Research
Article 14, Volume 6, Issue 1, January 0, Pages 139-144    PDF (134.29 K)
DOI: 10.22059/ijer.2011.480
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