Empirical Evaluation of MQTT, CoAP and HTTP for Smart City IoT Applications. International Journal of Mechatronics, Robotics, and Artificial Intelligence, [S. l.], v. 1, n. 2, p. 74–81, 2025. DOI: 10.33971/ijmrai.1.2.10. Disponível em: https://ijmrai.edu.iq/ijmrai/article/view/10. Acesso em: 21 dec. 2025.