Brzezicki, Łukasz, and Anna Ćwiąkała-Małys. “Application of the Non-Radial SBM Model With Weight Restrictions for Measuring the Efficiency of Teaching Activity in Higher Education”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 6(984), July 2020, pp. 87-106, https://doi.org/10.15678/ZNUEK.2019.0984.0606.