1. Camfield, L. (2016). Enquiries into well-being: How could qualitative data be used to improve the reliability of survey data? In S. C. White & C. Blackmore (Eds.), Cultures of well-being (pp. 47–65). Palgrave Macmillan UK. https://link.springer.com/chapter/10.1057/9781137536457_2
2. Costello, A. B., & Osborne, J. W. (2005). Best practices in exploratory factor analysis: Four recommendations for getting the most from your analysis. Practical Assessment, Research and Evaluation, 10(7).
3. Dugain, V., & Olaberriá. (2015). What makes Mexicans happy? OECD Economics Department Working Papers No. 1196. OECD. http://www.oecd-ilibrary.org/economics/what-makes-mexicans-happy_5js4h5qp6l0w-en
4. Fernandez, A., White, S. C., & Jha, S. (2014). Well-being pathways report: India round 2. Well-being and poverty pathways. University of Bath. http://www.well-beingpathways.org/images/stories/pdfs/working_papers/India_T2_report_FINAL_whole.pdf
5. Field, A. P. (2013). Discovering statistics using IBM SPSS statistics: And sex and drugs and rock “n” roll (4th ed.). Sage.