(3RgQ GdBOGH h KeQ GdCdHGH (B/ s - (3GdMUQj, CHh ESMb EHQGgje Hf Ydj Hf Jeje GdbjQhGfjs; (3eHGQc, Rcjs; (3YHO GdMejO, eMeO eMj GdOjfs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1972)
Keywords: (3GdCOH GdYQHjs; (3GdbhGejSs