JARZĘBOWSKI, S. EFFICIENCY AND RETURNS TO SCALE – A CONCEPT OF USING DETERMINISTIC APPROACH. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 15, n. 2, p. 102–111, 2014. Disponível em: https://qme.sggw.edu.pl/article/view/3674. Acesso em: 21 lis. 2024.