(3JGQN GdCOH GdYQHj (B:s (3GdLRAGdKGfj (B/s - (3GdcjdGfj,GHQGgje,HdGTjQ,QLjSs ((3JhfS(B;(3GdLRGFQ (B:s (3GdOGQ GdJhfSjI ddfTQ(B;(3GdeDSSI GdhWfjI ddcJGH ,s, 1986)
Keywords: (3GdCOH GdYQHjs; (3JGQjN GdCOHs