Dynamics of Duffing-Holmes oscillator with fractional order nonlinearity Khaled Aledealat, Abdalla Obeidat, Maen Gharaibeh, Adnan Jaradat, Khitam Khasawinah, Mohammad-Khair Hasan and Akram Rousan Eur. Phys. J. B, 92 10 (2019) 233 Published online: 10 October 2019 DOI: 10.1140/epjb/e2019-100299-8