A treemap representing the exports of Angola in 2017.
Alexander Simoes, Cesar Hidalgo, et. al. See <a rel="nofollow" class="external text" href="https://atlas.media.mit.edu/en/resources/about/">OEC - About</a>.
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Economic Complexity Observatory, MIT Media Lab and the Center for International Development at Harvard University. <a rel="nofollow" class="external free" href="http://atlas.media.mit.edu/">http://atlas.media.mit.edu/</a>