PAWAN KUMAR MALVIYA; ARCHANA JADON; BHAVANA PANDAY. Stability and Instability in Age- and Sex-Structured Population Models with Discrete Time Delays. Utilitas Mathematica , [S. l.], v. 122, n. 2, p. 2531–2544, 2025. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/3012. Acesso em: 7 may. 2026.