(3egGQGJ aj GdJOQjH GddZhj (B/s - (3GdTgQj, fhM Hf jMji Hf UGdMs ((3LOI, GdSYhOjI (B:s (3LGeYI Gdedc YHO GdYRjR, eQcR GdfTQ GdYdej,s, 2011)
(3HHdjhLQGajI (B: (3U(B. 251-254.s
Keywords: (3GddZI GdYQHjIs -- (3OQGSI hJYdjes