thanhvu21 on Gab: "Nội dung thông tin 68 về hóa đơn điện tử. [https://einvoice.vn/tin-tuc/thong-tu-68-2019-tt-btc-ve-hoa-don-dien-tu](https://einvoice.vn/tin-tuc/thong-tu-68-2019..."