diff --git a/README.md b/README.md
index 668108f..c0f8b9b 100644
--- a/README.md
+++ b/README.md
@@ -141,6 +141,10 @@ For instance, take into account the snaptshot above. If you already know how to
         * Go
           * Concurrency
             * [Concurrency in Go](https://learning.oreilly.com/library/view/concurrency-in-go/9781491941294/) 📕 💰
+            * [Concurrency Patterns in Go](https://www.youtube.com/watch?v=YEKjSzIwAdA 📼 🆓) 
+              * Channels
+                * [How do channels work? - Kavya Joshi - GopherCon 2017](https://www.youtube.com/watch?v=KBZlN0izeiY) 📼🆓⭐️
+                * [Practical Channel Work](https://www.youtube.com/watch?v=S11VFAMEs6E) 📼 🆓
           * Garbage Collector
             * [Golang's Realtime GC in Theory and Practice](https://www.youtube.com/watch?v=bMujSVMarqY) 📼 🆓
             * [Garbage Colletor Handbook](https://learning.oreilly.com/library/view/the-garbage-collection/9781315388007/) 📕 💰
@@ -573,6 +577,8 @@ For instance, take into account the snaptshot above. If you already know how to
       * [LFS - Linux from Scratch Book](http://www.linuxfromscratch.org/lfs/downloads/8.4/LFS-BOOK-8.4.pdf) 📼 🆓
       * systemd
         * [systemd Essentials](https://www.digitalocean.com/community/tutorials/systemd-essentials-working-with-services-units-and-the-journal) 📰 🆓
+      * File System
+        * [Linux File System/Structure Explained](https://www.youtube.com/watch?v=HbgzrKJvDRw) 📼 🆓
     * Debug
       * Core Dumps
         * [Debugging with Core Dumps](https://www.youtube.com/watch?v=GV10eIuPs9k) 📼 🆓
diff --git a/resources/topic-graph.mmd b/resources/topic-graph.mmd
index 8901c52..a99fc4e 100644
--- a/resources/topic-graph.mmd
+++ b/resources/topic-graph.mmd
@@ -10,6 +10,10 @@ graph TD
     PL --> SysPL[Systems Programming Languages]
       SysPL --> Rust
       SysPL --> Go
+        Go --> GoRoutines
+        Go --> Channels
+        Go --> Select
+        Go --> GC
     PL --> ScrPL[Script Programming Languages]
       ScrPL --> Ruby
       ScrPL --> Python
diff --git a/resources/topic-graph.png b/resources/topic-graph.png
index 940a6ff..cbfd039 100644
Binary files a/resources/topic-graph.png and b/resources/topic-graph.png differ