1980-nen sekai nōringyō sensasu kekka gaiyō
Subtitle: Shichōsonbetsu hen
By: [henshū Chiba-ken Kikakubu Tōkeika]
Publisher: Chiba-ken Kikakubu Tōkeika
Published: 1980
Place of publication: Chiba-shi
Language: jpn
Number of pages: 417
Notes: Cover title.

"Nōka chōsa, nōka igai no nōgyō jigyōtai chōsa. Shōwa 55-nen 2-gatsu 1-nichi chōsa."