Klepikov, Vladimir Pavlovich, and Vladimir Vladimirovich Klepikov. “Crude Oil Logistics, Production and Refining in Northern Europe”. International Journal of Energy Economics and Policy 8, no. 5 (September 5, 2018): 18–28. Accessed December 28, 2024. https://econjournals.net.tr/index.php/ijeep/article/view/6787.