T. T. Nhu Mai, T. C. Cong, N. V. Manh, L. V. Bac, G. T. Phuong Ly, and Q. V. Duong, “Reuse of spent FCC of Dung Quat refinery for cracking wasted cooking oil in liquid phase”, VJChem, vol. 54, no. 2, p. 194, Jul. 2016.