Study of strongly nonlinear oscillators using the Aboodh transform and the homotopy perturbation methodK. Manimegalai, Sagar Zephania C F, P. K. Bera, P. Bera, S. K. Das and Tapas SilEur. Phys. J. Plus, 134 9 (2019) 462DOI: https://doi.org/10.1140/epjp/i2019-12824-6