Ebooks

1. Head First Design Patterns Ebook: http://filepi.com/i/9atXaZL
• Bản 2.0: http://www.mediafire.com/file/rdonnjzznwl/Design Pattern Framework 2.0 CS.zip (ngôn ngữ VB, CS)
• Bản 3.5: http://www.mediafire.com/file/yunnoyittd4/DesignPatternFrameworkCS_3.5_1User.zip (ngôn ngữ VB, CS)
• Bản 4.0: http://www.mediafire.com/?2a0cc3qjljv5ci1 (ngôn ngữ CS) 
2. Design Patterns; Elements of Reusable Object-Oriented Software: http://filepi.com/i/6Fvcerz
3. Angular:
• Ng-book 2: The complete book on Angular 2: http://www.mediafire.com/file/ujyvhaijhumatxt/ng-book2-r45.pdf 
• Ng-book 2:  The complete book on Angular5: https://github.com/hemant2494/Ng-Book-5-PDF