Tanjung, Jafril, Rudy Ferial, Hendri Gusti Putra, and Irmaidi Indra. 2018. “The Aesthetic Man-Made Hill: An Alternative Tsunami Vertical Evacuation for Padang City, West Sumatera, Indonesia”. International Journal on Advanced Science, Engineering and Information Technology 8 (5):2149-54. https://doi.org/10.18517/ijaseit.8.5.7091.