PHÓNG SỰ CHÀO TÂN SINH VIÊN CDSPCB 21/09/2023 https://youtu.be/VhE9xX5G98whttps://drive.google.com/file/d/1hneA2jq84Rq4Qk9Yi7ok9yG9piEd0rV_/view?usp=sharing