Al-Amry, M. S., & Abdullah, E. F. (2019). Exact solutions for a new models of nonlinear partial differential equations Using \((\frac {G^{’}}{G^{2}})\)-Expansion Method. University of Aden Journal of Natural and Applied Sciences, 23(1), 189–199. https://doi.org/10.47372/uajnas.2019.n1.a16