(3GHQGgje UGdM TcQ hHhGcjQ GdfKQ GdMOjK ai GdYQGb (B/ s - (3jhSa YRGdOjfs ([S.N] : (3eYgO GdHMhK hGdOQGSGJ GdYQHjI , s, 1975)
Keywords: (3GdGOH GdYQHis; (3GdYUQ GdMOjKs; (3GdfKQ GdYQHis; (3GdYQGbs; (3JGQjN hfbOs