JARZĘBOWSKI, S. PARAMETRIC AND NON-PARAMETRIC EFFICIENCY MEASUREMENT – THE COMPARISON OF RESULTS. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 14, n. 1, p. 170–179, 2013. Disponível em: https://qme.sggw.edu.pl/article/view/3586. Acesso em: 22 grudz. 2024.