María Concepción Porras Gilhttps://www.cepese.pt/portal.%26%22%22%22%22%22%22%22%22%22%22%22%22%22%22%22%22%22%22/en/publications/authors/maria-concepcion-porras-gilhttps://www.cepese.pt/portal.%26%22%22%22%22%22%22%22%22%22%22%22%22%22%22%22%22%22%22/@@site-logo/CEPESE+home.png