Eduardo ROMERO SÁNCHEZ & Marta GUTIÉRREZ SÁNCHEZ. (2013). Challenges and opportunities for informational societies from the present to become reliable learning and knowledge societies. Ediciones Universidad de Salamanca.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEduardo ROMERO SÁNCHEZ और Marta GUTIÉRREZ SÁNCHEZ. Challenges and Opportunities for Informational Societies from the Present to Become Reliable Learning and Knowledge Societies. Ediciones Universidad de Salamanca, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEduardo ROMERO SÁNCHEZ और Marta GUTIÉRREZ SÁNCHEZ. Challenges and Opportunities for Informational Societies from the Present to Become Reliable Learning and Knowledge Societies. Ediciones Universidad de Salamanca, 2013.
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