(3JGQjN YLGFH GdBKGQ aj GdJQGLe hGdCNHGQ (B/s - (3GdLHQJj, YHO GdQMef Hf MSf GdLHQJj,s 1167-1237 (3g`(B.s ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1997)
Keywords: (3eUQs -- (3JGQjNs -- (3bQf (B20s; (3eUQs -- (3JGQjN(B.s