Al-Amry, M. S. and 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), pp. 189–199. doi: 10.47372/uajnas.2019.n1.a16.