MO, Tian. Changes In Clean Energy Index Before and After Russia-Ukraine War: Evidence from ARIMA Model. Highlights in Business, Economics and Management, [S. l.], v. 20, p. 679–687, 2023. DOI: 10.54097/hbem.v20i.13315. Disponível em: https://drpress.org/ojs/index.php/HBEM/article/view/13315. Acesso em: 27 aug. 2026.