(3eLdS GdOhdI hQbGHI GdbVGA dCYeGd GdEOGQI (B:s (3OQGSI ebGQfI (B/s - (3YKeGf Ndjd YKeGfs ((3GdbGgQI (B:s (3YGde GdcJH,s, 1962)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdaQfSjIs
Keywords: (3GdbGfhf GdEOGQjs; (3GdbVGA GdEOGQj hhXGFags