Kŏnsŏl kisulcha hyŏnhwang
Subtitle: 2008-yŏn 12-wŏlmal
Publisher: Han'guk Kŏnsŏl Kisurin Hyŏphoe
Published: 2009
Place of publication: [Sŏul]
Language: kor
Number of pages: 168
Subjects: Construction workers; Statistics; Construction industry