1. 2) Spurgeon A (2003) Working Time: Its Impact on Safety and Health. ILO and Korean Occupational Safety and Health Research Institute, Incheon.
2. 3) Härmä M (2006) Workhours in relation to work stress, recovery and health. Scand J Work Environ Health 32, 502–14.
3. 4) Organization for Economic Cooperation and Development (OECD) (2011) OECD. StatExtracts. http://stats.oecd.org/Index.aspx?DatasetCode=ANHRS. Accessed August 19, 2011.
4. 5) Ministry of Employment and Labor (2011) The Labor Law Act.
5. 6) Lee S, McCann D, Messenger JC (2007) Working time around the world: trends in working hours, laws and policies in a global comparative perspective. Routledge 9. ILO, Geneva.