- 68 tuyệt chiêu luyện Autocad: https://drive.google.com/file/d/0B1VMcsgG0rsmaGNoTTREczl6UDA/view?usp=sharing
- Giáo trình Autocad 2007: https://drive.google.com/file/d/0B1VMcsgG0rsmSGpUeTlxeWUwckU/view?usp=sharing
- Tổng hợp lệnh tắt trong Autocad: https://drive.google.com/file/d/0B1VMcsgG0rsmb0otZDRyOE1nQ0U/view?usp=sharing