1. Bagwell, K. and Staiger, R. W. (2001). Reciprocity, non-discrimination and preferential agreements in the multilateral trading system. European Journal of Political Economy 17(2): 281–325.
2. Christensen J. (2017). Trade Justice. Oxford University Press.
3. Colchester M. and Chao S. (2011). Oil Palm Expansion in South East Asia: Trends and Implications For local Communities and Indigenous Peoples. FPP and Sawitwatch.
4. Colchester, M., Chao, S., Dallinger, J., Toh, S. M., Kiev, C., Saptaningrum, I., Ramirez, M. A. and Pulhin, J. (2013). Agribusiness Large-Scale Land Acquisitions and Human Rights in Southeast Asia: Updates from Indonesia, Thailand, Philippines, Malaysia, Cambodia, Timor-Leste and Burma (Brief#1 of 8: Regional Overview)
5. Department of Organic Food Quality and Food Culture at the University of Kassel, Germany and Federation of German Scientists (VDW).