LINK DOWNLOAD BỘ SÁCH KEY WORDS FOR FLUENCY

MỨC PRE-INTERMEDIATE:

   http://vk.com/doc8069473_186923550?hash=72f2633af4c1951304&dl=9cbcff43500d0314ad

MỨC INTERMEDIATE:
  http://vk.com/doc203243204_208219112?hash=81d8a1d524d7067fdf&dl=d65ea3e911467db622