208
Wood R, Liang H, Wu H, Middelkoop K, Oni T, Rangaka MX, Wilkinson RJ, Bekker LG, Lawn
SD (2010) Changing prevalence of tuberculosis infection with increasing age in high-burden
townships in South Africa. Int J Tuberc Lung Dis 14:406–412
World Tourism Organization (2019) International Tourism Highlights 2019 Edition. https://
www.e- unwto.org/doi/pdf/10.18111/9789284421152. Accessed on 28th Mar 2020
Wrangham R (2010) Catching fire: how cooking made us human. Basic Books, New York
9 Building and Changing Infrastructure
Wood R, Liang H, Wu H, Middelkoop K, Oni T, Rangaka MX, Wilkinson RJ, Bekker LG, Lawn
SD (2010) Changing prevalence of tuberculosis infection with increasing age in high-burden
townships in South Africa. Int J Tuberc Lung Dis 14:406–412
World Tourism Organization (2019) International Tourism Highlights 2019 Edition. https://
www.e- unwto.org/doi/pdf/10.18111/9789284421152. Accessed on 28th Mar 2020
Wrangham R (2010) Catching fire: how cooking made us human. Basic Books, New York
9 Building and Changing Infrastructure