chap11:dạo 2

1 chap 1 

2 chap 2 

3 chap 3 

4 chap 4 

5 chap 5 

6 chap6 

7 chap7 

8 chap8 

9 chap9 

10 chap 10 :dạo đầu tiên 

11 chap11:dạo 2 

12 chap12:dạo 3 

13 chap13(h-) 

14 chap14(h-) 

15 chap15(h+) 