Hyder, Adnan A., Prasanthi Puvanachandra, and Richard H. Morrow. “Measuring the Health of Populations: Explaining Composite Indicators”. Journal of Public Health Research 1, no. 3 (December 28, 2012): e35. Accessed August 14, 2020. https://www.jphres.org/index.php/jphres/article/view/jphr.2012.e35.