Analysis of information sources in references of the Wikipedia article "Final Fantasy" in English language version.
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Square Co. is the maker of the Final Fantasy series, of which it's sold more than 25 million units worldwide. (...) Final Fantasy series, sales of which have reached some 25 million copies.
Square Co. is the maker of the Final Fantasy series, of which it's sold more than 25 million units worldwide. (...) Final Fantasy series, sales of which have reached some 25 million copies.