TY - JOUR TI - Numerical simulation of magnetohydrodynamic casson Williamson hybrid nanofluid flow accounting thermal stratification AU - NATH, J.M. AU - PAUL, A. AU - DAS, T.K. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 1240 EP - 1250 DO - 10.14744/sigma.2026.2034 ER -