Lenkova, O. V., Permyakov, A. S., Yakunina, O. G. and Vechkasova, M. V. (2017) “Problems and Prospects of Innovative Development of Petrochemical Enterprises”, International Journal of Energy Economics and Policy, 7(3), pp. 321–325. Available at: https://econjournals.com/index.php/ijeep/article/view/5115 (Accessed: 29 March 2024).