Fukugyōsha no shūrō ni kansuru chōsa
By: [henshū Rōdō Seisaku Kenkyū Kenshū Kikō].
Contributors: Rōdō Seisaku Kenkyū Kenshū Kikō.
Series: JILPT chōsa shirīzu -- no. 55
Publisher: Rōdō Seisaku Kenkyū Kenshū Kikō
Published: 2009
Place of publication: Tōkyō
Language: jpn
Number of pages: 281
Subjects: Supplementary employment -- Japan