Dao Minh P, Nghiem Thi N, Nguyen Thi N, Pham Ba N. Global and Vietnam olefin and aromatic market trends under the impact of Covid-19 pandemic . PVJ [Internet]. 2021Aug.12 [cited 2026May1];70:31 -43. Available from: http://www.pvj.com.vn/index.php/TCDK/article/view/735