Galindo Ayuda, Fernando García Marco, Francisco Javier Freedom and the Internet: empowering citizens and addressing the transparency gap in search engines Eur. j. law technol. eng 2017

http://zaguan.unizar.es/record/63344/files/texto_completo.pdf; http://zaguan.unizar.es/record/63344/files/texto_completo.jpg?subformat=icon;

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