Volume 22, Issue 69, May and June 2012, Pages 110-120
10.22078/pr.2013.106
Ahmad Nalbandi; Javad Heidarian
Volume 21, Issue 67, November and December 2011, Pages 30-38
10.22078/pr.2013.80
J. Heidarian; A. Babanalbandi; H. H. Khanli
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