@inproceedings{CTT100591319,
  author = {Junichi Iijima and Tetsuhiro Chujima and Yumi Kitayama},
  title = {A Study on B2B Mobile Solutions in Japan},
  booktitle = {Proceedings of the Eighth International Conference on Mobile Business},
  year = 2009,
}

@inproceedings{CTT100566911,
  author = {Junichi Iijima and Yumi Kitayama},
  title = {How Do They Use Cellular Phones in Business in Japan? – Highly Developed BPM with Cellular Phone in ASAI Group},
  booktitle = {Proceedings of the 8th Asian eBiz Workshop},
  year = 2008,
}

@inproceedings{CTT100551451,
  author = {飯島淳一 and 北山  由美},
  title = {携帯電話によるBPMの高度化：アサイグループの事例},
  booktitle = {経営情報学会2007年度秋季全国研究発表大会予稿集},
  year = 2007,
}