(3ebGeGJ GdhQYj h QSGFdg (B/ s - (3GdhQZj, CHh YHO Gddg eMeO Hf CMeOs; (3GdbjRGfj, YHO GdYRjRs ((3JhfS (B:s (3GdOGQ GdJhfSjI ddfTQ,s, 1972)
Keywords: (3GdCOH GdYQHjs; (3GdebGeGJs; (3JhfSs