18Pennington, Renee, and Henry Harpending. "Botswana Notes and Records."How Many Refugees Were There? History and Population Change Among the Herero and Mbanderu of Northwestern Botswana (1991).
25Langeni, TT. "Botswana Notes and Records."Child out-fostering and other factors influencing reproductive behaviour in Botswana's changing society (1999).
35Selolwane, Onalenna Doo. "African Urban Economies."From Infrastructural Development to Privatization: Employment Creation and Poverty Reduction in Gaborone, Botswana (2006).