hugo-academic/layouts/partials/section_pager.html

<div class="post-nav">
  {{if .NextInSection}}
  <div class="post-nav-item">
    <div class="meta-nav">{{ i18n "next" }}</div>
    <a href="{{.NextInSection.Permalink}}" rel="next">{{.NextInSection.Title}}</a>
  </div>
  {{end}}
  {{if .PrevInSection}}
  <div class="post-nav-item">
    <div class="meta-nav">{{ i18n "previous" }}</div>
    <a href="{{.PrevInSection.Permalink}}" rel="prev">{{.PrevInSection.Title}}</a>
  </div>
  {{end}}
</div>