Huyen, Quach Thi Mong, và Nguyen Vinh Khanh. 2014. “Synthesis of Crude Oil Pour Point Depressants via Polycondensation of Cashew Nut Shell Liquids”. Tạp Chí Dầu Khí 6 (Tháng Sáu), 48-52. https://pvj.vn/index.php/TCDK/article/view/574.