PAN, Li. Assessing the Level of Energy Security of China: Evidence from TOPSIS-entropy Weight Method . Problemy Ekorozwoju, [S. l.], v. 20, n. 1, p. 221–235, 2025. DOI: 10.35784/preko.6808. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/6808. Acesso em: 21 jan. 2025.