(3HQhO GdfSGA(B: (3OQGSI (B/ s - (3ahRjI GdOQjYs ([S.N] : (3gGfi ddfTQ , s, 1990)
Keywords: (3GdLfSs; (3GdYdGbGJ GdGSQjIs; (3GdHQhO GdLfSis; (3GdJMdjd GdLfSis; (3GdJQHjI GdLfSjIs; (3GdGVWQGH GdLfSis