This merchandise is backordered but is available to reserve now. You won't be billed till the item ships. Chi?n l??c tìm cách thúc ??y h?p tác khoa h?c qu?c t??l?n h?n, v?i k??ho?ch thi?t l?p m?ng l??i các nhà khoa h?c Vi?t Nam ??n??c ngoài v&a