Janta Raut and Verma, V.S. 2026. CO-AXIAL CYLINDRICAL MODEL FOR TURBULENT AIRFLOW AND LAMINAR MUCUS FLOW IN CONSTRICTED HUMAN LUNG AIRWAYS. Journal of Institute of Science and Technology. 31, 1 (Jul. 2026), 231–238. DOI:https://doi.org/10.3126/jist.v31i1.84720.