diff --git a/books/free-programming-books-id.md b/books/free-programming-books-id.md
index 26e290273..e3dca89c6 100644
--- a/books/free-programming-books-id.md
+++ b/books/free-programming-books-id.md
@@ -25,6 +25,7 @@
 * [PHP](#php)
     * [CodeIgniter](#codeigniter)
     * [Laravel](#laravel)
+    * [Yii](#yii)
 * [Python](#python)
 * [Rust](#rust)
 * [Solidity](#solidity)
@@ -184,7 +185,6 @@
 
 * [Belajar PHP Dasar](https://www.malasngoding.com/belajar-php-dasar-pengenalan-dan-kegunaan-php/) - Malasngoding
 * [Membuat Bot Telegram dengan PHP](https://www.slideshare.net/HasanudinHS/ebook-i-membuat-bot-telegram-dengan-php) - Hasanudin H Syafaat (PDF)
-* [Menjelajahi Yii Framework](https://gilacoding.com/upload/file/menjelajahyiiframework.pdf) - Sabit Huraira (PDF)
 * [Panduan Lengkap PHP AJAX jQuery](https://gilacoding.com/upload/file/Panduan%20Lengkap%20PHP%20Ajax%20jQuery.pdf) - Desrizal (PDF)
 * [Pemrograman Berbasis Objek Modern dengan PHP](https://arsiteknologi.com/wp-content/uploads/Pemrograman_Berbasis_Objek_Modern_dengan_PHP_Google_Play_Book.pdf) - Muhamad Surya Iksanudin (PDF)
 * [Pemrograman Berorientasi Objek Dengan PHP5](https://endangcahyapermana.files.wordpress.com/2016/03/belajar-singkat-pemrograman-berorientasi-objek-dengan-php5.pdf) - Gerry Sabar (PDF)
@@ -212,6 +212,12 @@
 * [Tutorial Belajar Framework Laravel 10](https://www.duniailkom.com/tutorial-belajar-framework-laravel/) - Duniailkom
 
 
+#### Yii
+
+* [Menjelajahi Yii Framework](https://gilacoding.com/upload/file/menjelajahyiiframework.pdf) - Sabit Huraira (PDF)
+* [Panduan Definitif Untuk Yii 2.0](https://www.yiiframework.com/doc/download/yii-guide-2.0-id.pdf) - Yii Software (PDF)
+
+
 ### Python
 
 * [Belajar Python](http://www.belajarpython.com)
diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index f61668a35..1d2934f9b 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -162,6 +162,7 @@ Books on general-purpose programming that don't focus on a specific language are
     * [Drupal](#drupal)
     * [Laravel](#laravel)
     * [Symfony](#symfony)
+    * [Yii](#yii)
     * [Zend](#zend)
 * [PostgreSQL](#postgresql)
 * [PowerShell](#powershell)
@@ -1865,6 +1866,11 @@ Books on general-purpose programming that don't focus on a specific language are
 * [The Symfony Book 4.4.x](https://symfony.com/doc/4.4/index.html)
 
 
+#### Yii
+
+* [The Definitive Guide to Yii 2.0](https://www.yiiframework.com/doc/download/yii-guide-2.0-en.pdf) - Yii Software (PDF)
+
+
 #### Zend
 
 * [Using Zend Framework 3](https://olegkrivtsov.github.io/using-zend-framework-3-book/html/)