MAHMUD, Iqbal. Electrical Power Generation Using Footsteps. European Scientific Journal, ESJ, [S. l.], v. 14, n. 21, p. 318, 2018. DOI: 10.19044/esj.2018.v14n21p318. Disponível em: https://test.eujournal.org/index.php/esj/article/view/11058. Acesso em: 15 apr. 2025.