DATTA, S.; KAR, K.; PAL, M.; GHATAK, R. Fractal Shaped Antenna based tri-band Energy Harvester. Advanced Electromagnetics, [S. l.], v. 6, n. 4, p. 22–26, 2017. DOI: 10.7716/aem.v6i4.518. Disponível em: https://aemjournal.org/index.php/AEM/article/view/518. Acesso em: 12 dec. 2025.