(3GdGPcGQ hGdGOYjI GdfHhjI ddaQbI GdfGLjI (B/ s - (3GHhHcQ GdLRGFQis ([S.N] : (3ecJHI GdJQGK GdGSdGei , s, 1992)
Keywords: (3GdGSdGes; (3GdOYGAs; (3GdGOYjI hGdGhQGOs