@article{fujiwara_2007, 
  title={日本人中学生英語学習者の語用論的発達 : 要求の場合において}, 
  volume={37}, 
  DOI={10.18983/casele.37.0_41}, 
  number={0}, 
  publisher={The Chugoku Academic Society of English Language Education}, 
  author={FUJIWARA, Yasuhiro}, 
  year={2007}
  }