<p>https://docs.google.com/presentation/d/1gev_YNtpGeKcHJC0MRXNgeO87J3Jkiy…;

<p>b&agrave;i của thầy Phong ng&agrave;y 7/9</p>

<p>https://forms.gle/pqN8ugcpzqQfqViu5</p&gt;

<p>Lớp th&agrave;y Phong</p>

<p>https://forms.gle/3FvTHJfYRbWvTNGDA</p&gt;

<p>Lớp thầy John</p>