ROSHID, H. O., ALAM, M. N., & AKBAR, M. A. (2015). Traveling Wave Solutions for Fifth Order (1+1)-Dimensional Kaup-Keperschmidt Equation with the Help of Exp(-Phi)-Expansion Method. Walailak Journal of Science and Technology (WJST), 12(11), 1063–1073. Retrieved from https://wjst.wu.ac.th/index.php/wjst/article/view/963