"Tetsuhiro Chujima,Junichi Iijima,Sho Ho","A Study on B2B Mobile Solutions in Japan","the 9th Asian eBusiness Workshop","Proceedings of the 9th Asian eBusiness Workshop",,,,"  121-126",2009,Aug.
"Jong Woo Kim,Mingzhi Li,Junichi Iijima,Jinghua Huang,Jian Chen,Hong Joo Lee,Sung Joo Park,Yeon Jin Kim,Testuhiro Chujima","A Comparative Study of Mobile Services among China, Korea and Japan","Eighth International Conference on Mobile Business","Proceedings of the Eighth International Conference on Mobile Business",,,,"pp. 347-352",2009,June
"Junichi Iijima,Tetsuhiro Chujima,Yumi Kitayama","A Study on B2B Mobile Solutions in Japan","Eighth International Conference on Mobile Business","Proceedings of the Eighth International Conference on Mobile Business",,,,"pp. 364-369",2009,June