Pawan Kumar Malviya, Archana Jadon, and Bhavana Panday. “Stability and Instability in Age- and Sex-Structured Population Models With Discrete Time Delays”. Utilitas Mathematica 122, no. 2 (November 14, 2025): 2531–2544. Accessed May 7, 2026. https://utilitasmathematica.com/index.php/Index/article/view/3012.