CZEKALSKI, Tadeusz. Ekoglasnost and Eco-transformation. Bulgarian Environmental Movement in the First Years of the Political Transformation. Balcanica Posnaniensia. Acta et studia, [S. l.], v. 26, p. 231–247, 2020. DOI: 10.14746/bp.2019.26.13. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/20396. Acesso em: 27 apr. 2024.