(3JfXje eLJeY GdeSfjf (B/ s - (3eOMJ aDGO aJhM MSjfs ([S.N] : (3GdeWHYI GdJLGQjI GdMOjKI , s, 1992)
Keywords: (3GdQYGjI GdUMjIs; (3GdYdhe GdGLJeGYjIs; (3GdeSfhfs