"Longman, also known as Pearson Longman, is a publishing company founded in London, England, in 1724 and is owned by Pearson PLC.
Since 1968, Longman has been ...
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used primarily as an imprint by Pearson's Schools business. The Longman brand is also used for the Longman Schools in China and the Longman Dictionary." - (en.wikipedia.org 10.08.2021)