2025. Modeling of magnetohydrodynamic Casson nanofluid flow with nonlinear thermal radiation in a stretching porous channel using ANN and Levenberg–Marquardt optimization. Indian Journal of Chemical Technology (IJCT). 32, 4 (Aug. 2025), 466–477. DOI:https://doi.org/10.56042/ijct.v32i4.15958.