2026. The Influence of Joule Heating Effect and Thermal Stratification on MHD Ternary Hybrid Nanofluid in a Porous Medium over a Vertically Stretching Cylinder: A Numerical Investigation. East European Journal of Physics. 3 (Sep. 2026), 432–442. DOI:https://doi.org/10.26565/2312-4334-2026-3-39.