Kwena, Z. A., Mwanzo, I. J., Bukusi, E. A., Achiro, L. F., & Shisanya, C. A. (2013). Across-sectional survey of prevalence and correlates of couple sexual concurrency among married couples in fishing communities along Lake Victoria in Kisumu, Kenya. Sex Transm Infect.

Kwena, Zachary A., Isaac J. Mwanzo, Elizabeth A. Bukusi, Lilian F. Achiro, und Chris A. Shisanya. "Across-sectional Survey of Prevalence and Correlates of Couple Sexual Concurrency Among Married Couples in Fishing Communities Along Lake Victoria in Kisumu, Kenya." Sex Transm Infect 2013.

Kwena, Zachary A., et al. "Across-sectional Survey of Prevalence and Correlates of Couple Sexual Concurrency Among Married Couples in Fishing Communities Along Lake Victoria in Kisumu, Kenya." Sex Transm Infect 2013.