1. Adolf H (2001) Trade-related aspects of IPRs and developing countries. Develop Econ 39:1, p. 49
2. Akkoyunlu Ş (2013) The correlation between the level of patent protection and international trade. Swiss National Centre of Competence in Research, Working Paper, p 36
3. Arup C (2008) The world trade organization knowledge agreements, 2nd edn
4. Bhagwati J (1999) Economic freedom: prosperity and social progress. Keynote speech delivered to the conference on economic freedom and development, Tokyo, June 1999. Available at
http://www.umich.edu/~websvcs/projects/mitsui-new/symp99docs/bhagwati-ef.pdf
5. Bhagwati J (2002) Afterword: the question of linkage. Am J Int Law 96(1):126