diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
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 ### Algorithms & Data Structures
 
 * [Advanced Data Structures](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-851-advanced-data-structures-spring-2012/) - Erik Demaine
+* [Advanced Data Structures](https://www.youtube.com/playlist?list=PLv9sD0fPjvSHqIOLTIvHJWjkdH0IdzmXT) - Uzair Javed Akhtar
 * [Algorithm Design and Implementation](https://www.youtube.com/playlist?list=PL6EF0274BD849A7D5)
 * [Algorithms](https://www.youtube.com/playlist?list=PLDN4rrl48XKpZkf03iYFl-O29szjTrs_O) - Abdul Bari
 * [Algorithms and Data Structures Tutorial - Full Course for Beginners](https://www.youtube.com/watch?v=8hly31xKli0) - Pasan Premaratne, Jay McGavren (freeCodeCamp)