:dl hoc son 3thang la ok men r!
toi thay hoc nhanh hay cham phu thuoc vao luong kien thuc giao vien day nhieu hay it va bac tiep thu duoc nhieu hay it thoi.
toi cung dc hoc son 1 nam.nhung toi thay luong kien thuc hoc son k nhieu lam,chi can hoc 2thang(ly thuyet+thuc hanh).sau do di thuc...
