ch01.ppt ch02_1.ppt ch02_2.ppt ch03_1.ppt ch03_2.ppt ch04_1.ppt ch04_2.ppt ch04_3.ppt ch05_1.ppt ch05_2.ppt ch05_3.ppt ch06_1.ppt ch06_2.ppt ch07_1.ppt ch07_2.ppt ch08_1.ppt ch08_2.ppt ch08_3.ppt ch09_1.ppt ch09_2.ppt ch10_1.ppt ch10_2.ppt ch11_1.ppt ch11_2.ppt ch12_1.ppt ch12_2.ppt ch13.ppt