M. SHAKEEL and S. T. MOHYUD-DIN, “Solution of Fifth Order Caudrey-Dodd-Gibbon-Sawada-Kotera Equation by the Alternative (G’/G)-Expansion Method with Generalized Riccati Equation”, Walailak J Sci & Tech, vol. 12, no. 10, pp. 949–960, Aug. 2014.