(3UfGYI GdUMGaI (B:s (3HMK aj EYOGO GdUMajjf egfjG h aj JGQjN eOGQS GdUMGaI h HQGeLgG (B/s - (3QhHQJ, Ojehfs ((3HjQhJ (B:s (3OGQ GdYde ddedGjjf ,s, 1962)
Keywords: (3GdMbhb GdedcjI s; (3GdOSJhQs; (3GdeLJeY s; (3GdUMGaI s