Can 1den 2 b o ghep gap phong 1.5trd thang hien da co 2ng roi neu o 4ng thi tien phong ...a dieu se rat re tien cho sv va ng di lam.jo tu do k chung chu phong rat sach co gac.cac b co nhu cau thi l... voi m nhe:0902831478 gap phong.nhanh chan de co dc cho o tot,va re nay cac b nhe.hihi