BHATTACHARYYA, Diganta. Advancements in Digital-Analog Hybrid Communication Systems for Smart City Applications. Swami Vivekananda University Press, Kolkata, West Bengal, India., p. 112–116, 2026. Disponível em: https://swamivivekanandauniversitypress.com/index.php/svup/article/view/482. Acesso em: 24 oct. 2026.