Miniaturized helical antenna design for network with LoRa technology. International Journal of Engineering and Computer Science, india, v. 11, n. 11, p. 25612–25919, 2022. DOI: 10.18535/ijecs/v11i11.4701. Disponível em: https://ijecs.in/index.php/ijecs/article/view/4701. Acesso em: 11 apr. 2025.