diff --git a/etc/ubimus.html b/etc/ubimus.html
index 417272b..f6707b9 100644
--- a/etc/ubimus.html
+++ b/etc/ubimus.html
@@ -556,7 +556,6 @@ <h3>Preliminary evaluation</h3>
 We invited three undergraduate music students who had previous experience in
 free improvisation to play with the system for about a week, making recordings
 and observations of their experience.</p>
-<p>You can hear some demo recordings here: <a href="https://archive.org/details/engenhoca" target="_blank">https://archive.org/details/engenhoca</a></p>
 </div>
 <br>
 
@@ -603,7 +602,6 @@ <h3>Discussion and future perspectives</h3>
 implemented, by distributing it as a FOSS application and permitting other
 musicians to modify the application for their particular musical goals and
 preferences.</p>
-<p><a href="https://github.com/ofefo/engenhoca" target="_blank">https://github.com/ofefo/engenhoca</a></p>
 </div>
 <br>
 
@@ -617,6 +615,13 @@ <h3>Discussion and future perspectives</h3>
 connection that could enable different modes of interaction.</p>
 </div>
 <br>
+
+<button type="button" class="collapsible">Links</button>
+<div class="content">
+<p>You can access the code here: <a href="https://github.com/ofefo/engenhoca" target="_blank">https://github.com/ofefo/engenhoca</a></p>
+<p>You can hear some demo recordings here: <a href="https://archive.org/details/engenhoca" target="_blank">https://archive.org/details/engenhoca</a></p>
+</div>
+<br>
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