@article{oai:rikkyo.repo.nii.ac.jp:00016337,
 author = {Yokomoto, Katsuya},
 journal = {New directions in teaching and learning English discussion},
 month = {Aug},
 note = {P(論文)},
 pages = {44--48},
 title = {Different Approaches to Encouraging Students to Ask Follow-up Questions},
 volume = {1},
 year = {2012}
}