1. The complexity crisis: Why too many products, markets, and customers are crippling your company;Mariotti,2008
2. Conquering complexity in your business;George,2004
3. M. Ulrich, Reducing complexity in retail banking: simple wins every time, 2013, (ATKearney).
4. Reducing the risk of supply chain disruptions;Chopra;MIT Sloan Management Review,2014
5. Finding the true cost of portfolio complexity;Bannasche;McKinsey& Company,2016