Chūshō kigyō ni okeru rōdō funsōgi no jittai to sono mondaiten
Series: Torōi chōsa shirīzu -- no. 2
Publisher: Tōkyō-to Chihō Rōdō Iinkai Jimukyoku
Published: 1957
Place of publication: Tōkyō
Language: jpn
Number of pages: 103