Japan. Shokuryōchō. Chōsaka

• Heisei Gannensan mugi seisansha no mugi shōhi hanbai tō jōkyō chōsa kekkahyō
• Shōwa 62-nen sanbaku mugi no sakutsuke kibobetsu oyobi uriwatashi kaisōbetsu seisanshasū tō chōsa kekkahyō
• Shōwa 63-nensan mugi no sakutsuke kibobetsu oyobi uriwatashi kaisōbetsu seisanshasū tō chōsa kekkahyō
• 米榖要覧等摘錄