Si trabajas con documentos a diario, tarde o temprano te toparás con un archivo en formato PDF que necesitas cambiar sí o sí: añadir una página, borrar algo, firmar, protegerlo con contraseña… y claro ...

The existence of international days predates the establishment of the United Nations, but the UN has embraced them as a powerful advocacy tool. The United Nations observes designated days, weeks, ...

More people are currently displaced within their own countries than ever recorded before due to conflict, violence, disasters and the impact of climate change. The number of internally displaced ...