(3GdMQH ZjQ GdJbdjOjI(B: (3GdGSdMI GdPQjI hGdcjeGhjI hGdHjhdhLjG (B/ s - (3eUWai GMeO ceGds ([S.N] : (3OGQ GdKbGaI GdYQHjI , s, 1991)
Keywords: (3GdGSdMI GdPQjIs; (3GdbfGHd GdPQjIs; (3GdMQH GdPQjIs; (3GdMQH GdcjejGFjIs; (3GdGSdMI GdcjejGFjIs; (3GdbfGHd GdgjOQhLjfjIs