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WikiPedia: Thiết_kế http://webyes.com.br/wp-content/uploads/ebooks/boo... http://ux.perfectial.com/process/ http://dictionary.reference.com/browse/design http://dictionary.reference.com/browse/engineering http://www.sciencedirect.com/science/article/pii/S... http://www.sciencedirect.com/science/article/pii/S... http://www.uxbooth.com/categories/visual-design/ http://maxbruinsma.nl/index1.html?ftf2000.htm http://www.agilemanifesto.org/ //dx.doi.org/10.1080%2F09544820010000962