About SAKAI HIROAKI
About 大阪産業大 経営
About 大阪産業大学経営論集
About price
About competition
About brand
About consumer behavior
About Computer Simulation
About entry
About price competition
About multi-agent simulation
About computer application
About utilization
About market entry
About Marketing
About 価格
About 競争
About 参入
About ブランド
About 消費者
About プロセス
About シミュレーション