Analysis of information sources in references of the Wikipedia article "European single market" in English language version.
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(help)3. The Union shall establish an internal market. It shall work for the sustainable development of Europe based on balanced economic growth and price stability, a highly competitive social market economy, aiming at full employment and social progress, and a high level of protection and improvement of the quality of the environment. It shall promote scientific and technological advance.
— Treaty of Lisbon Article 3, point 3
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