Mandal, Koushik, and Radhika Prosad Datta. “Analysing Time-Frequency Relationship Between Oil Price and Sectoral Indices in India Using Wavelet Techniques”. International Journal of Energy Economics and Policy 12, no. 5 (September 27, 2022): 192–201. Accessed April 19, 2024. https://econjournals.com/index.php/ijeep/article/view/13391.