“How do you design?” is a book about different process models by Dubberly Design Office. You can download the beta (pdf) by following this link.
In this book, they have collected over one-hundred descriptions of design and development processes, from architecture, industrial design, mechanical engineering, quality management, and software development. They range from short mnemonic devices, such as the 4Ds (deﬁne, design, develop, deploy), to elaborate schemes, such as Archer’s 9-phase, 229-step “systematic method for designers.” Some are synonyms for the same process; others represent differing approaches to design.
Many processes don’t work in real world scenarios, but there is one quite enlighting case study of using the American Institute of Graphic Arts (AIGA) process in Iraq: