E. . Pardo, «Berrah, Nureddine; Feng, Fei; Priddle, Roland and Wang, Leiping (2007): Sustainable Energy in China, The Closing Window of Opportunity», UNISCI discuss. pap., n.º 18, pp. 229–233, ene. 2008, Accedido: dic. 23, 2024. Disponible en: https://revistas.ucm.es/index.php/UNIS/article/view/UNIS0808330229A