(3CKQ GdTQcGJ GdeJYOOI GdLfSjI Ydi GdJfejI h GdYdGbGJ GdOhdjI (B:s (3JbQjQ eLehYI cHGQ NHQGA GdCee GdeJMOI (B/s - (3eMeO YHOGdQMefs ((3GdbGgQI (B:s (3GdefXeI GdYQHjI ddYdhe GdEOGQjI (B,s, 1977)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s; (3GdYdGbGJ GdOhdjI s