Sun, Haiyan, și Chengxuan Geng. „Financing Efficiency of China’s New Energy Industry Based on DEA Model and Its Influencing Factors”. Revista de Cercetare si Interventie Sociala 63 (decembrie 31, 2018): 181–199. Data accesării noiembrie 7, 2026. https://www.rcis.ro/journal/article/view/2512-financing-efficiency-of-chinas-new-energy-industry-based.