/li>
    <li>
      <a href="articles/a05_custom_land_units_input.html">Article 5: Custom input land units</a>
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    <li>
      <a href="articles/a06_custom_crop_input.html">Article 6: Custom crop requirements input</a>
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    <li>
      <a href="articles/a07_visual_maps.html">Article 7: Visualizing with maps</a>
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