(3EYJQGaGJ eKjQI JDcO hLhO gPg GdXGgQI GdeSchfhf HGdTjWGf (B/ s - (3GdYHO Gddg, QjGV eUWais ((3OeTb (B:s (3OGQ GdcJGH GdYQHj,s, 1986)
Keywords: (3GdLfs; (3GdTjWGfs