Nghiem, Thi Ngoan, Minh Phuong Dao, and Ba Nam Pham. “An Overview of the Gasohol Market in Vietnam, the Next Direction?”. Petrovietnam Journal 60 (June 30, 2021): 55 - 62. Accessed December 12, 2024. http://www.pvj.com.vn/index.php/TCDK/article/view/678.