KLUPA, Anna. More valuable than gold? Rare Earth Elements in Global Economic Strategy. Strategic Review, [S. l.], n. 1, p. 239–251, 2012. DOI: 10.14746/ps.2012.1.15. Disponível em: https://pressto.amu.edu.pl/index.php/ps/article/view/6014. Acesso em: 12 dec. 2024.