Journal Article
Dietrich, Janan, Kathleen Sikkema, Kennedy N Otwombe, Amy Sanchez, Busisiwe Nkala, Guy Bruyn, Martin Van Der Watt, and Glenda E Gray.
"Multiple levels of influence in predicting sexual activity and condom use among adolescents in Soweto, Johannesburg, South Africa." Journal of HIV/AIDS & social services 12, no. 3-4 (2013): 404-423.