South African National HIV Prevalence, Incidence, Behaviour and Communication Survey, 2008: A Turning Tide Among Teenagers? Autor Olive Shisana et al. 31 mar 2010 Paperback Preț: 188.30 lei 215.04 lei Indisponibil temporar -12%
National Household HIV Prevalence and Risk Survey of South African Children Autor Linda Richter et al. 31 mar 2005 Paperback Preț: 124.23 lei 140.06 lei Indisponibil temporar -11%