diff --git a/docs/2025_IDIS.md b/docs/2025_IDIS.md
index 43bde13..4d7fdb0 100644
--- a/docs/2025_IDIS.md
+++ b/docs/2025_IDIS.md
@@ -70,7 +70,12 @@ Gerit is an active researcher in the field of Information Systems, with a focus
 
 ## Materials
 
-LInk: slides etc.
+| **Session**   | **HTML Slides** | **PDF Slides** |
+|--------------|----------------|---------------|
+| **Goals** | [![View HTML Slides](https://img.shields.io/badge/View-HTML%20Slides-orange?logo=html5)](../output/01-goals.html){: target="_blank"} | [![Download PDF](https://img.shields.io/badge/Download-PDF-orange?logo=adobe)](../output/01-goals.pdf){: target="_blank"} |
+| **Steps** | [![View HTML Slides](https://img.shields.io/badge/View-HTML%20Slides-orange?logo=html5)](../output/02-steps.html){: target="_blank"} | [![Download PDF](https://img.shields.io/badge/Download-PDF-orange?logo=adobe)](../output/02-steps.pdf){: target="_blank"} |
+| **Qualities** | [![View HTML Slides](https://img.shields.io/badge/View-HTML%20Slides-orange?logo=html5)](../output/03-qualities.html){: target="_blank"} | [![Download PDF](https://img.shields.io/badge/Download-PDF-orange?logo=adobe)](../output/03-qualities.pdf){: target="_blank"} |
+| **Tools** | [![View HTML Slides](https://img.shields.io/badge/View-HTML%20Slides-orange?logo=html5)](../output/04-tools.html){: target="_blank"} | [![Download PDF](https://img.shields.io/badge/Download-PDF-orange?logo=adobe)](../output/04-tools.pdf){: target="_blank"} |
 
 ## Recommended Readings