(3GdWYf ai GdGMcGe OQGSI ai GdfXGe GdbVGFi GdOhdi (B/ s - (3eUWai GMeO aDGOs ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1987)
Keywords: (3GdbGfhfs; (3GdGMcGes; (3bGfhf GdGLQGAGJ GdeOfjIs; (3GdGSJFfGa ai GdeMGces