Lenkova OV, Permyakov AS, Yakunina OG, Vechkasova MV. Problems and Prospects of Innovative Development of Petrochemical Enterprises. IJEEP [Internet]. 2017 Jul. 18 [cited 2024 Dec. 23];7(3):321-5. Available from: https://econjournals.com.tr/index.php/ijeep/article/view/5115