Lenkova, Olga Viktorovna, Anton Stanislavovich Permyakov, Olga Gennadyevna Yakunina, and Marina Vyacheslavovna Vechkasova. “Problems and Prospects of Innovative Development of Petrochemical Enterprises”. International Journal of Energy Economics and Policy 7, no. 3 (July 18, 2017): 321–325. Accessed November 23, 2024. https://econjournals.com/index.php/ijeep/article/view/5115.