K. VAGGELAS, G.; A. PALLIS , A. Configuration and Prospects of the Piraeus Shipping Cluster . SPOUDAI Journal of Economics and Business, [S. l.], v. 69, n. 1-2, p. 3–17, 2019. Disponível em: https://spoudai.org/index.php/journal/article/view/120. Acesso em: 22 dec. 2024.