diff --git a/publications.php b/publications.php
index fa5bde8..a21d3ba 100644
--- a/publications.php
+++ b/publications.php
@@ -98,6 +98,7 @@ Solo (Willy Sudiarto Raharjo, Gani Indriyanta, Amsal Maestro, Jurnal Ultimatics
     <li><a href="https://journal.uc.ac.id/index.php/JUISI/article/view/689/605">Implementasi Secure Multi-Party Computation Menggunakan Metode Shamir Secret Sharing pada 
 Pengamanan Dokumen Digital Rahasia (Willy Sudiarto Raharjo, Antonius Rachmat C., Pedro Nadirio A., Jurnal Informatika dan Sistem Informasi (JUISI), Vol 4 No 1, Februari 
 2018, ISSN: 2477-5452).</a></li>
+    <li><a href="http://thesai.org/Downloads/Volume9No12/Paper_53-Integration_of_REST_based_Web_Service.pdf">Integration of REST-Based Web Service and Browser Extension for Instagram Spam Detection (Antonius Rachmat C., Willy Sudiarto Raharjo, Yuan Lukito, International Journal of Advanced Computer Science and Applications (IJACSA), Volume 9, Issue 12, ISSN: 2158-107X).</a></li>
   </ol>
 </article>
 <article>