Kitō Chiku Nōson Jittai Chōsahan

• Kitō chiku jūrokkaken kensei gaikyō chōsa hōkokusho
• Kitō chikunai nijūgokason nōson jittai chōsa hōkokusho
• Kitō chikunai nōson sangyō tokubetsu chōsa hōkokusho