(3adSaI GdJQHjI ai GdGSdGe YQV JMdjdi dLhGfH GdefgL GdGSdGei ai JQHjI GdTHGH (B/ s - (3Qabi RGgQs ([S.N] : (3OGQ GdeWHhYGJ GdOhdjI , s, 1981)
Keywords: (3GdJYdjes; (3GdJQHjIs; (3GdJYdje GdOjfis; (3GdJQHjI GdGSdGejIs