NGUYỄN, M. H. The role of Austria in German unification the mid-nineteenth - century . SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY, [S. l.], v. 5, n. 11, p. 114–118, 2020. DOI: 10.51453/2354-1431/2019/212. Disponível em: https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/212. Acesso em: 5 may. 2024.