. Tệp đính kèm: 
1.QNU_2022.8.3_2010ca2_FILE_20220803_090540_CamScanner_08032022_09.03_signed.pdf
. Tệp đính kèm: 1.QNU_2022.8.3_2010ca2_FILE_20220803_090540_CamScanner_08032022_09.03_signed.pdf