Ho, C.-D. and Tu, J.-W. and Chang, H. and Lin, L.-P. and Chew, T.L. (2022) Optimizing thermal efficiencies of power-law fluids in double-pass concentric circular heat exchangers with sinusoidal wall fluxes. Mathematical Biosciences and Engineering, 19 (9). pp. 8648-8670. ISSN 15471063