URBANOWSKA-SOJKIN, Elżbieta. Company’s Efficiency From a Strategic Perspective. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 7, n. 2, p. 138–159, 2019. DOI: 10.18559/SOEP.2019.2.9. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3394. Acesso em: 3 sep. 2026.