Rōdō jikan tanshuku to seisansei ni kansuru chōsa kenkyū hōkokusho
Subtitle: Tsūshō Sangyōshō itaku chōsa kenkyū
Series: Shinjidai no rōshi kankei ni kansuru chōsa kenkyū -- Heisei 3-nendo
Publisher: Rengō Sōgō Seikatsu Kaihatsu Kenkyūjo
Published: 1992
Place of publication: [Tokyo]
Language: jpn
Number of pages: 161