Title:A Implantação do modelo formal de ensino em Angola (Séculos XV-XX) / The establishment of the formal education in Angola (XV-XX Centuries) / La Implantación de la Educación Formal en Angola (Siglos XV-XX)
Title:Water habits and hygiene education to prevent diarrhoeal diseases: the Zambezi River basin in Mozambique / Francisco González-Gómez, Enrique Lluch-Frechina and Jorge Guardiola.