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Sej-Kolasa, M. and Sztemberg-Lewandowska, M. 2015. The Analysis of Changes over Time in the Number of Students Using Functional Principal Component Analysis in European Countries. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie. 916 (Dec. 2015), 71–81. DOI:https://doi.org/10.15678/krem.740.