SANGAL, P. P.; SINGH, N. A Note on the Optimisation of a Defence System Against an Air Attack. Defence Science Journal, [S. l.], v. 16, n. 4, p. 261–264, 2014. DOI: 10.14429/dsj.16.7279. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7279. Acesso em: 6 jul. 2025.