chap28

1 chap1 

2 chap2 

3 chap3:chuẩn bị H 

4 chap4:H+ 

5 chap5 

6 chap6 

7 chap 7 

8 chap8 

9 chap9 

10 chap10 

11 chap11 

12 chap12 

13 chap13 

14 chap14 

15 chap15 

16 chap16 

17 chap17 

18 chap18 

19 chap19:H+ 

20 chap20 

21 chap21 

22 chap22 

23 chap23 

24 chap24 

25 chap25:H+ 

26 chap26 

27 chap27 

28 chap28 

29 chap29 

30 chap30 

31 chap31 

32 chap32 

33 chap33 

34 chap34 

35 chap35 

36 chap36 

37 chap37 

38 chap38 

39 chap39 

40 chap40 

41 chap41 

42 chap43 

43 chap44: 

44 chap45 