Kaleeshwari S, M. Jegadeeshwaran. “Crude Oil Price Forecasting: A Time Series Analysis Using Arima”. European Economic Letters (EEL) 15, no. 2 (May 28, 2025): 3336–3351. Accessed October 15, 2025. https://eelet.org.uk/index.php/journal/article/view/3171.