LIU, Shaoxukang. Particle swarm optimization for the Capacitated Helicopter Routing Problem. Transactions on Computer Science and Intelligent Systems Research, [S. l.], v. 5, p. 1179–1186, 2024. DOI: 10.62051/xmd8c785. Disponível em: https://wepub.org/index.php/TCSISR/article/view/2827. Acesso em: 12 jul. 2026.