Phương pháp tính

Tài liệu Phương pháp tính

Part 1:

 https://drive.google.com/file/d/0B3LydaxLKIjgMnN4bDU1Q0JLaGM/view?usp=sharing

Part 2:

 https://drive.google.com/file/d/0B3LydaxLKIjgQTdWSEpkZ2MzYms/view?usp=sharing

Part 3:

 https://drive.google.com/file/d/0B3LydaxLKIjgNHNOVFN5aFpJX2M/view?usp=sharing

Part 4:

https://drive.google.com/file/d/0B3LydaxLKIjgY2JMRGYzQjVnRHc/view?usp=sharing