Dang Ngoc Dinh Diep, Nguyen Manh Thinh, Dao Thanh Hai, and Nguyen Trong Tuyen. “Solution to Diversify Crude Feedstock for Dung Quat Refinery”. Petrovietnam Journal 30 (March 31, 2020): 32 - 40. Accessed April 30, 2026. http://www.pvj.com.vn/index.php/TCDK/article/view/265.