A novel study on time-dependent viscosity model of magneto-hybrid nanofluid flow over a permeable cone: applications in material engineeringHanifa Hanif, Ilyas Khan and Sharidan ShafieEur. Phys. J. Plus, 135 9 (2020) 730DOI: https://doi.org/10.1140/epjp/s13360-020-00724-x