Sengara, I. W., I. D. Sidhi, A. Mulia, M. Asrurifak, and D. Hutabarat. “Development of Risk Coefficient for Input to New Indonesian Seismic Building Codes”. Journal of Engineering and Technological Sciences, vol. 48, no. 1, Feb. 2016, pp. 49-65, doi:10.5614/j.eng.technol.sci.2016.48.1.5.