Wafaa M. Taha. 2018. "Further Extension of the Improved Hyperbolic Function Method With Application to General Sawada–Kotera Equation of Fifth-Order, The 3D Potential-YTSF Equation and (mKdV) Equation". Tikrit Journal of Pure Science 23 (4):124-29. https://doi.org/10.25130/tjps.v23i4.533.