(3GdOhdI GdGSdGejI ai GdYUQGdYHGSi GdGhds ([S.N] : (3ecJHI GdGfLdhGdeUQjI , s, 1986)
Keywords: (3GdJGQjN GdGSdGeis; (3GdOhdI GdYHGSjIs