[태그:] 2015

APA The Children’s Society. (2015). The Good Childhood Report 2015. 사이트 https://www.childrenssociety.org.uk/what-we-do/resources-and-publications/the-good-childhood-report-2015  다운로드 https://www.childrenssociety.org.uk/sites/default/files/TheGoodChildhoodReport2015.pdf 

 APA Helliwell, J. F., Layard, R., & Sachs, J. (2015). World happiness report 2015. New York: UN Sustainable Development Solutions Network. 다운로드   https://worldhappiness.report/ed/2015/