About NAITO SHIGEYUKI
About SAKAI NORIO
About 農業市場研究
About Fagopyrum esculentum
About milling factory
About food industry
About trend in demand
About purchasing
About sales
About distribution channel
About pricing
About trend of demand and supply
About Milling
About Agricultural economy,agricultural management
About ソバ
About 需給
About 製粉
About 仕入
About 販売
About 行動