Bài trong ngày 14/02/2019

https://drive.google.com/drive/folders/11Ee_vLktihaGlLk_kN5NuNxPU1jCYyRm?usp=sharing

https://drive.google.com/drive/folders/1v-3RPEPgFZB_lH2-WO05an8o4TrngtrB?usp=sharing