About AIGASE NAOTO
About 福島大 大学院
About ISHIKAWA TOMOYASU
About 日本物流学会誌
About sales
About profit
About number (mathematics)
About pricing
About selling cost
About fee
About flat-rate fee
About decision
About 移動販売
About number of users
About Marketing
About 利用者数
About 料金設定
About 販売
About 利益
About 研究