(3JNWjW gLQI GdYeGdI GdeUQjI ef GdJNUUGJ GdfGOQI (B/ s - (3efi bGSes ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdGbJUGOs; (3GdgLQIs; (3GdJfejI GdGbJUGOjIs