AUTHOR= Frontiers Editorial Office TITLE=Retraction: Mixed convective heat transfer in a power-law fluid in a square enclosure: higher order finite element solutions JOURNAL=Frontiers in Physics VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2023.1323258 DOI=10.3389/fphy.2023.1323258 ISSN=2296-424X