(3GdOdjd eYLe GfLdjRi YQHi (B/ s - (3eMeO YHOGdQGRb efGYs ([S.N] : (3eQcR GdcJGH ddfTQ , s, 1991)
Keywords: (3GddZI GdYQHjIs; (3GdeYGLes; (3GddZI GdGfLdjRjIs