Thikeo, P., J. Rittirong, and M. Voelker. “Factors Affecting Child Mortality among Poor and Non-Poor Households with Children under Five in Lao PDR: an Analysis of the 2015 Population and Housing Census”. Journal of Health Research, vol. 31, no. 5, Sept. 2017, pp. 363-72, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/99563.