1. Nursing Statistics Datahttp://www.koreanurse.or.kr/resources/statistics.php
2. Health and Medical Workers Surveyhttp://bogun.nodong.org/xe/khmwu_5_4/200085
3. The Labor Standards Act. Article 70: Restrictions on Night Work and Holiday Workhttp://www.law.go.kr/engLsSc.do?menuId=1&subMenuId=21&query=%EA%B7%BC%EB%A1%9C%EA%B8%B0%EC%A4%80%EB%B2%95#
4. The Labor Standards Act. Article 74: Protection of Pregnant Women and Nursing Mothershttp://www.law.go.kr/engLsSc.do?menuId=1&subMenuId=21&query=%EA%B7%BC%EB%A1%9C%EA%B8%B0%EC%A4%80%EB%B2%95#
5. Health and Medical Workers Surveyhttp://bogun.nodong.org/xe/index.php?mid=khmwu_5_4&page=21&document_srl=496867