Application of the Tanh–Coth and HSI methods in deriving exact analytical solutions for the STFKS equation. - Hassaballa, Abaker A.; Gumma, Elzain A. E.; Adam, Ahmed M. A.; Hamed, Omer M. A.; Satty, Ali; Salih, Mohyaldein; Abdalla, Faroug A.; Mohammed, Zakariya M. S. (Frontiers in Applied Mathematics & Statistics, 2025)