(3eHGOF GdJMVjQ GdfSjLj (B( (3GdJMVjQ GdeLgQj (B)s - (3NWjH(B. (3YeGO GHQGgje s; (3CHh QeGf(B. (3NdhOs ((3OGQ GdjGRhQjs (3YeGfs, 1988)
Keywords: (3GdJTQjM GdHTQj s