PICCARDI, Tatiana. Uses of the ‘sustainability’ formula in the health area: the example of volunteering practice in hospitals. The ESPecialist, [S. l.], v. 35, n. 2, 2014. Disponível em: https://revistas.pucsp.br/index.php/esp/article/view/21466. Acesso em: 2 feb. 2026.