(3JMaI GdYQhS h fRgI GdfahS (B/ s - (3GdJLGfj, CHh YHO Gddg (B...s ((3GdbGgQI (B:s (3ecJHI GdJQGK GdESdGej,s, 1987)
Keywords: (3GdESdGes; (3Gdabgs; (3GdCSQIs; (3GdRhGLs