(3eLehYI eMGVQGJ GdYGe GdOQGSi GdMGOi YTQ (B/s - (3eYgO GdOQGSGJ GdeUQajI s ((3GdbGgQI (B:s (3eYgO GdOQGSGJ GdeUQajI (B,s, 1965)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s