1. Comments on the activities of financial investors in commodity markets (Uwagi o działalności inwestorów finansowych na rynkach towarowych)”. Prace Naukowe Uniwersytetu Ekonomicznego we;Dudziński;Wrocławiu,2013
2. International trade prices in the second decade of the 21st century. Directions of change and their factors (Ceny w handlu międzynarodowym w drugiej dekadzie XXI wieku. Kierunki zmian i ich czynniki);Dudziński;International Business and Global Economy,2016
3. Adler, G., and Magud, M. N. E. (2013). “Four decades of terms-of-trade booms: Saving-investment patterns and a new metric of income windfall”. International Monetary Fund.
4. Long-run trends in the relative price of primary commodities and in the terms of trade of developing countries;Bleaney;Oxford Economic Papers,1993
5. Development prospects in a fractured world,2022