Baboshkin, Pavel, and Mafura Uandykova. “Multi-Source Model of Heterogeneous Data Analysis for Oil Price Forecasting”. International Journal of Energy Economics and Policy 11, no. 2 (February 1, 2021): 384–391. Accessed December 23, 2024. https://mail.econjournals.com/index.php/ijeep/article/view/10853.