Series solutions of nonlinear conformable fractional KdV-Burgers equation with some applicationsAhmad El-Ajou, Zeyad Al-Zhour, Moa’ath Oqielat, Shaher Momani and Tasawar HayatEur. Phys. J. Plus, 134 8 (2019) 402DOI: https://doi.org/10.1140/epjp/i2019-12731-x