(3cJGH GdGeJjGRGJ GdCLfHjI (B/s - (3YHOGdQRGb GdSfghQjs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI(B:s (3cdjI GdMbhb (B- (3LGeYI GdbGgQI , s, 1992)
(3eLehYI ebGdGJ hCHMGK GdCSJGP GdOcJhQ YHOGdQRGb GdSfghQjs
Keywords: (3GdGeJjGRGJ GdCLfHjIs; (3GdeMGce GdeNJdWIs; (3GdbhGfjf GdNGUIs