(3GdcheHjhJQ hGdGbJUGO GdbjGSi (B/ s - (3YHOGdYRjR gjcds ([S.N] : (3OGQ GdQGJH GdLGeYjI , s, 1985)
Keywords: (3GdGbJUGOs; (3GdJNWjW GdGbJUGOis; (3GdMGSHGJ GdGdcJQhfjIs; (3HGSjcs; (3GdHQGeLs; (3GdGMUGFjGJs