(3OQGSGJ ai adSaI cGfW GdSjGSjI (B/ s - (3eMehO SjO GMeOs ([S.N] : (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 1988)
Keywords: (3GdadSaIs; (3GdadSaI GdZQHjIs; (3GdadSaI GdGdeGfjIs; (3GdadSaI GdSjGSjIs