diff --git a/free-courses-tr.md b/free-courses-tr.md
index baa01489ebc29b58c86dfa1d3b8bfed1dfec7012..f2fda2ea65dbf103e20c54a112940bdc37e1b013 100644
--- a/free-courses-tr.md
+++ b/free-courses-tr.md
@@ -1,6 +1,7 @@
 ### Index
 
 * [Algoritmalar](#algoritmalar)
+* [CSS](#css)
 * [Temel programlama](#temel-programlama)
 
 
@@ -9,6 +10,11 @@
 * [Algoritmalara giriş](https://acikders.tuba.gov.tr/course/view.php?id=133) - Charles Leiserson / Erik Demaine (Çev. Ali Yazıcı - Haluk Ar)
 
 
+### CSS
+
+* [Sıfırdan CSS Eğitim](https://www.youtube.com/playlist?list=PLadt0EaV4m3BX9JaZbKS9B8076bruv93Y) - Adem Ilter
+
+
 ### Temel programlama
 
 * [Bilgisayar programlama I](https://acikders.ankara.edu.tr/course/view.php?id=8750) - Semra Gündüç
diff --git a/free-programming-books-tr.md b/free-programming-books-tr.md
index 311e8f8ee04d3ce05b5dc2fd19a68a4a2010062a..2e1bef19debb1e1fdc3fbc2c35c9b49a6fc0d765 100644
--- a/free-programming-books-tr.md
+++ b/free-programming-books-tr.md
@@ -27,8 +27,9 @@
 
 ### Android
 
-* [Android Dersleri](https://umiitkose.com/android)
+* [Android Dersleri](https://umiitkose.com/android) - Ümit Köse
 * [Android Geleceği Yazanlar](https://gelecegiyazanlar.turkcell.com.tr/konu/android)
+* [Android Türkçe PDF](http://umiitkose.com/wp-content/uploads/2015/08/AndroidStudio.pdf) - Ümit Köse (PDF)
 
 
 ### C