About OKAMOTO EIJI
About 日本情報経営学会誌
About buying behavior
About consumer behavior
About decision support system
About information technology
About communication technology
About internet
About alternative
About brand
About information collection
About information retrieval
About information sharing
About communication
About attitude
About consumer oriented
About customer satisfaction
About information and communication technology
About Risk-Taking
About Cognitive Dissonance
About Marketing research,advertisement
About Computer networks
About ICT
About 購買
About 意思決定支援