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 August 11, 2025. https://www.econjournals.com.tr/index.php/ijeep/article/view/10853.