LALL, K. B. Some Recent Studies in Vigilance. Defence Science Journal, [S. l.], v. 14, n. 4A, p. 17–30, 2014. DOI: 10.14429/dsj.14.7302. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7302. Acesso em: 6 jul. 2025.