B??c 3: H??th?ng s??cung ?ng ??n m?t mã QR ???ng??i ch?i ti?n hành quét thông tin, v?i th?i h?n di?n tra trong ten phút cho ng??i ch?i chuy?n ti?n."When I want courses on subjects that my university isn't going to supply, Coursera is among the finest destinations to go."The plan should also be reassessed periodically to verify it’s Assembly