Skyllstad, K. “Global Visions – Risks and Opportunities for the Urban Planet A Report from the 5th Conference of the International Forum on Urbanism Singapore, February 24 - 26, 2011”. Journal of Urban Culture Research, vol. 2, no. -, Aug. 2014, pp. 104-5, https://so04.tci-thaijo.org/index.php/JUCR/article/view/20397.