chap2

1 giới thiệu 

2 chap1 

3 chap2 

4 chap3 

5 chap 4 (kế hoạch) 

6 chap 5 

7 chap 6 

8 chap 7 

9 chap 8 

10 chap 9 

11 chap 10 

12 chap 11 

13 chap 12 

14 chap13 

15 chap14 

16 chap15 

17 chap 16 

18 chap17 

19 chap18 

20 chap19 

21 chap20 

22 chap21 

23 chap22 

24 chap23 

25 chap24 

26 chap25 

27 chap26 

28 chap27 

29 thông báo 

30 chap28 

31 chap29 

32 chap30 

33 chap31 

34 chap32 

35 chap33- hết phần 1 

36 chap 34 

37 chap35 

38 chap36 

39 chap37 

40 chap38 

41 chap39 

42 chap40 

43 chap41 

44 chap42 

45 chap43 