@misc{Dzicher_Mateusz_Sampling, author={Dzicher, Mateusz}, howpublished={online}, publisher={Publishing House of the University of Economics in Katowice}, language={eng}, type={artykuł}, title={Sampling methods for investment portfolio formulation procedure at increased market volatility}, doi={https://doi.org/10.22367/jem.2021.43.04}, keywords={inwestycje, portfel inwestycji, techniki optymalizacji}, }