CHITRA, J.; ANANTHASWAMY, V.; SHRUTHI, M. A Semi-analytical study on non-linear differential equations in typhoid fever disease. Communications in Mathematics and Applications, [S. l.], v. 15, n. 3, 2025. Disponível em: https://rgnpublications.com/journals/index.php/cma/article/view/2706. Acesso em: 22 feb. 2025.