Doughnut Economics: Seven Ways to Think Like a 21st-Century Economist Kindle Books – Januari 06, 2016
The Ultimate Question 2.0 (Revised and Expanded Edition): How Net Promoter Companies Thrive in a Customer-Driven World Kindle Books – Januari 06, 2016
International Law and the Use of Force (Foundations of Public International Law) Kindle Books – Januari 06, 2016