(3GdcheHjhJQ ai NOeI GdYQV hGdWdH (B/ s - (3YHOGdYRjR agei gjcds ([S.N] : (3OGQ GdQGJH GdLGeYjI , s, 1988)
Keywords: (3GdGbJUGO Gdcdis; (3GdGbJUGOs; (3GddZGJs; (3GdMGSHGJ GdGdcJQhfjIs; (3GdYQV hGdWdHs; (3HGSjcs; (3GdHQGeLs; (3GdGMJcGQs; (3GdGfJGLs