Labor situation in Japan and analysis : general overview 2009/2010
The Japan Institute for Labour Policy and Training, 2009
 Buku Teks SO
Labor situation in Japan and analysis: general overview 2006/2007
The Japan Institute for Labour Policy and Training, 2006
 Buku Teks SO
Labor situation in Japan and analysis: general overview 2006/2007
The Japan Institute for Labour Policy and Training, 2006
 Buku Teks SO
Labor situation in Japan and analysis : general overview 2015/2016 / Tamotsu Nagata ... [et al.}
Japan Institute for Labour Policy and Training, 2016
 Buku Teks
Japan Labor Issues
The Japan Institute for Labour Policy and Training, 2018
 Majalah, Jurnal, Buletin