Volume 27, Issue 2, March 2005, Pages 1-6
10.22055/ppr.2005.12757
S. Noorbakhsh; S. H. Hodjat; M. Modares Aval
Volume 21, 1,2, February 1999, Pages 37-50
10.22055/ppr.1999.12791
M. Modarres Awal
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