@article{oai:aichiu.repo.nii.ac.jp:00003931,
 author = {塚本, 鋭司 and TSUKAMOTO, Satoshi},
 issue = {12},
 journal = {文明21, Civilization 21},
 month = {Mar},
 pages = {29--36},
 title = {Learning Communities and Their Implications to English Education},
 year = {2004}
}