(3GfJHI dLgGRc (B/ s - (3HGSd JaGMIs ([S.N] : (3OGQ GdQGJH GdLGeYjI , s, 1987)
Keywords: (3GdUjGfIs; (3GdMGSHGJ GdGdcJQhfjIs; (3GdcJQhfjGJs