Sen, Abhibasu, Choudhury Karabi Dutta, and Tapan Kumar Datta. “ Effect of Green Technology Investment on Crude Oil Inventory System - A Case Study Based on ONGC Data”. Yugoslav Journal of Operations Research 34, no. 1 (October 30, 2023): 177–200. Accessed July 30, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/774.