Volume 8, Issue 6, January and February 2011, Pages 939-945
10.22067/gsc.v8i6.8040
S Ali; S. V Eslami; M. A Behdani; M Jami Al-Ahmadi
Volume 8, Issue 5, November and December 2010, Pages 837-844
10.22067/gsc.v8i5.8026
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