N. Ncitakalo, M. Mabaso, V. Maduna, J. Joska, and L. Simbayi, “Prevalence and Correlates of Psychological Distress Among HIV Positive Individuals in South Africa: Findings from the 2012 HIV National Household Survey”,  J. Psychol. Psychother.Res, vol. 6, pp. 30–40, Mar. 2019.