1:25:49

EC4220 CH2

1:28:06

EC 7303 NOTE 3 CHAPTER 4

1:06:49

NOTE 5 ECON 7303 CHAPTER 6

1:44:05

EC2111 CH11

2:28:55

EC2111 CHAPTER 12

54:15

EC 7303 NOTE 1 CHAPTER 1 AND 2

2:27:14

EC4220 CHAPTER 7

1:26:09

NOTE 6 EC 7303 CHAPTER 7