PIETRZYKOWSKI , Maciej. Strengthening the Internationalisation and Commercialization of Clusters and Cluster Organisations by Upgrading Managerial Competencies: Selected Cases from Poland and Lithuania. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 4, n. 5, p. 160–183, 2016. DOI: 10.18559/SOEP.2016.5.10. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3452. Acesso em: 3 sep. 2026.