晊揷 揘帯 乮偲傫偩 偰偮偠乯 導棫峀搰戝妛 抧堟憂惗妛晹 抧堟嶻嬈僐乕僗 嫵庼 Tetsuji TONDA Professor, Ph.D. Department of Management Information Systems Faculty of Management and Information Systems, Prefectural University of Hiroshima 楢棈愭 仹734-8558 峀搰巗撿嬫塅昳搶1-1-71 導棫峀搰戝妛 抧堟憂惗妛晹 抧堟嶻嬈僐乕僗 TEL/FAX: 082-251-9788 1-1-71 Ujina-Higashi, Minami-ku, Hiroshima, 734-8558, JAPAN Department of Management Information Systems Faculty of Management and Information Systems, Prefectural University of Hiroshima TEL/FAX: +81-82-251-9788