Hai, Dam Thi Thanh, Tran Tan Viet, Do Chiem Tai, and Tong Thi Thom. “Conversion of Rubber Seed Oil to Bio-Lubricant Using Super Acid Catalyst”. Petrovietnam Journal 60 (June 30, 2016): 50-55. Accessed May 30, 2026. https://pvj.vn/index.php/TCDK/article/view/526.