@article{oai:tsukuba.repo.nii.ac.jp:00028879,
 author = {渡邉, 和男 and WATANABE, Kazuo},
 journal = {筑波大学留学生センター日本語教育論集},
 month = {Feb},
 title = {まえがき},
 volume = {28},
 year = {2013},
 yomi = {ワタナベ, カズオ}
}