Strategic Marketing
av Douglas West, John Ford, Essam Ibrahim (2015)
Strategic marketing : creating competitive advantage
av Douglas C. West (2022)
Strategic Marketing: Creating Competitive Advantage
av Douglas West, John Ford, Essam Ibrahim (2006)
Introduction to graph theory
av Douglas B. West (2018)
av Douglas C. West (2010)
Introduction to Graph Theory
av Douglas B West (2000)