00822nam a22001697a 4500040003600000082001500036100002400051245014300075260003400218300003400252500014100286500004000427500004700467502005600514546001200570650007000582  cRiphah International University  a510.1bATI  aAtifa Latif (10921)  aThree-dimensional free convective flows of some non-newtonian fluids through a porous medium with periodic permeability and heat transfeer  aIslamabdb(unpublished)c2020  axxx, 284 p.c; 30 cm.b: ill.  aSubmitted in fulfillment of the requirements for the degree of Doctor of Philosophy in Mathematics to the Department of Basis Sciences.   aIncludes bibliographical references  aThesis supervisor: Dr. Muhammad Afzal Rana  aThesis (PhD)--Riphah International University, 2020  aEnglish  aMathematicsvHeat transfervPermeability vRadiation vFlowvFBSH