Unit 3-1, Chapter 1 (Part 1)

 Unit 3-2, Chapter 1 (Part 2)

 Unit 3-3, Chapter 1 (Part 3)

 Unit 3-4, Chapter 1 (Part 4)

 Unit 3-5, Chapter 1 (Part 5)

 Unit 3-6, Chapter 1 (Part 6)

 Unit 3-7, Chapter 1 (Part 7)

 Unit 3-8, Chapter 1 (Part 8)

 Unit 3-9, Chapter 1 (Part 9)

 Unit 3-10, Chapter 1 (Part 10)

 Unit 3-11, Chapter 1 (Part 11)

 Unit 3, Chapter 1 (Part 1 to Part 11)

 Unit 4-1, Chapter 1 (Part 12)

 Unit 4-2, Chapter 1 (Part 13)

 Unit 4-3, Chapter 1 (Part 14)

 Unit 4-4, Chapter 1 (Part 15)

 Unit 4-5, Chapter 1 (Part 16)

 Unit 4-6, Chapter 1 (Part 17)

 Unit 4, Chapter 1 (Part 12 to Part 17)

 Unit 5-1, Chapter 1 (Part 18)

 Unit 5-2, Chapter 1 (Part 19)

 Unit 5-3, Chapter 1 (Part 20)

 Unit 5-4, Chapter 1 (Part 21)

 Unit 5-5, Chapter 1 (Part 22)

 Unit 5-6, Chapter 1 (Part 23)

 Unit 5-7, Chapter 1 (Part 24)

 Unit 5-8, Chapter 1 (Part 25)

 Unit 5, Chapter 1 (Part 18 to Part 25)

 Unit 6-1, Chapter 1 (Part 26)

 Unit 6-2, Chapter 1 (Part 27)

 Unit 6-3, Chapter 1 (Part 28)

 Unit 6-4, Chapter 2 (Part 1)

 Unit 6, Ch 1 (Part 26) to Ch 2 (Part 1)

 Unit 7-1, Chapter 2 (Part 2)

 Unit 7-2, Chapter 2 (Part 3)

 Unit 7-3, Chapter 2 (Part 4)

 Unit 7-4, Chapter 2 (Part 5)

 Unit 7-5, Chapter 2 (Part 6)

 Unit 7-6, Group Discussion I (Part 1)

 Unit 7-7, Group Discussion I (Part 2)

 Unit 7-8, Group Discussion I (Part 3)

 Unit 7-9, Group Discussion I (Part 4)

 Unit 7-10, Group Discussion I (Part 5)

 Unit 7-11, Group Discussion I (Part 6)

 Unit 7, Ch 2 (Part 2) to GD I (Part 6)

 Unit 8-1, Group Discussion I (Part 7)

 Unit 8-2, Group Discussion I (Part 8)

 Unit 8-3, Group Discussion I (Part 9)

 Unit 8-4, Group Discussion I (Part 10)

 Unit 8-5, Group Discussion I (Part 11)

 Unit 8-6, Group Discussion I (Part 12)

 Unit 8-7, Group Discussion I (Part 13)

 Unit 8, Group Discussion I (Parts 7-13)

 Unit 9-1, Chapter 2 (Part 7)

 Unit 9-2, Chapter 2 (Part 8)

 Unit 9-3, Chapter 2 (Part 9)

 Unit 9-4, Chapter 2 (Part 10)

 Unit 9-5, Chapter 2 (Part 11)

 Unit 9-6, Chapter 2 (Part 12)

 Unit 9-7, Chapter 2 (Part 13)

 Unit 9-8, Chapter 2 (Part 14)

 Unit 9-9, Chapter 2 (Part 15)

 Unit 9-10, Chapter 2 (Part 16)

 Unit 9, Chapter 2 (Part 7 to Part 16)

 Unit 10, Chapter 2 (Part 17)(Online)

 Unit 11-1, Chapter 2 (Part 18)

 Unit 11-2, Chapter 2 (Part 19)

 Unit 11-3, Chapter 2 (Part 20)

 Unit 11-4, Chapter 2 (Part 21)

 Unit 11-5, Chapter 2 (Part 22)

 Unit 11-6, Chapter 2 (Part 23)

 Unit 11-7, Chapter 2 (Part 24)

 Unit 11-8, Chapter 2 (Part 25)

 Unit 11, Chapter 2 (Part 18 to Part 25)

 Unit 12-1, Chapter 2 (Part 26)

 Unit 12-2, Chapter 2 (Part 27)

 Unit 12-3, Chapter 2 (Part 28)

 Unit 12-4, Chapter 3 (Part 1)

 Unit 12, Ch 2 (Pt. 26) to Ch 3 (Pt. 1)