Dao, H. T., Hanh, N. T. M. and Lan, C. T. (2014) “An analysis of main factors impacting the efficiency of Petrovietnam’s refining and petrochemical projects”, Petrovietnam Journal, 70, pp. 50-57. Available at: http://tapchidaukhi.com/index.php/TCDK/article/view/581 (Accessed: 26June2026).