CZEKALSKI, Tadeusz. Spiros Sfetas (1960–2021). Balcanica Posnaniensia. Acta et studia, [S. l.], v. 28, n. 2, p. 263–264, 2021. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/31203. Acesso em: 20 apr. 2024.