Design Thinking A Book by Peter G. Rowe Ducks and decorated shedsClinging to ideasA concept of styleForm and figureDesign skirmishes+4 More design
The Pareto principle The Pareto principle (also known as the 80/20 rule, the law of the vital few, or the principle of factor sparsity) states that, for many events, roughly 80% of the effects come from 20% of the causes. Wikipedia en.wikipedia.org 80/20 is the new Half-Ass