diff --git a/slides/pages/materials.md b/slides/pages/materials.md
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+---
+title: Useful Materials
+layout: two-cols
+---
+
+# Notes
+
+- Cover other tools such as `gdb` and `make` next time (depends on the demand)
+- Unit Testing in C
+
+## Other Useful Resources
+
+- [The Missing Semester of Your CS Education](https://missing.csail.mit.edu/)
+- [DevDocs](https://devdocs.io/)
+- [tldr](https://github.com/tldr-pages/tldr)
+
diff --git a/slides/slides.md b/slides/slides.md
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+++ b/slides/slides.md
@@ -74,3 +74,7 @@ transition: slide-left
 src: ./pages/clang-5.md
 ---
 
+---
+transition: slide-left
+src: ./pages/materials.md
+---