(3GdWH GdfaSi GdeHSW (B/ s - (3YHOGdQDha KGHJs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdJMdjd GdfaSis; (3GdTNUjIs; (3GdWH GdfaSis; (3Yde GdfaS GdYdGLis