Inshin sangyō chitai ni okeru nōson rōdō jijō chōsa
Series: Nōson rōdō jijō chōsa shiryō -- 4
Publisher: Teikoku Nōkai
Published: 1941
Place of publication: Tōkyō
Language: jpn
Number of pages: 265
Notes: Cover title.

Issued as confidential document.