Entropy optimized flow of couple stress nanomaterial subject to homogeneous-heterogeneous chemical reactionsTasawar Hayat, Kinza Saleem, Sohail A. Khan and A. AlsaediEur. Phys. J. Plus, 139 7 (2024) 637DOI: https://doi.org/10.1140/epjp/s13360-024-05448-w