(3GdZRh GdacQi hGdJjGQGJ GdeYGOjI ddGSdGe (B/ s - (3YHOGdMejO eJhdis ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1986)
Keywords: (3GdGSdGes; (3QaY GdeWGYfs